<span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span> plural of <span class="searchmatch">triangular</span> number...
article on: <span class="searchmatch">triangular</span> number Wikipedia <span class="searchmatch">triangular</span> number (plural <span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span>) (mathematics) Any integer that is the sum of n natural <span class="searchmatch">numbers</span> from 1...
tetrahedral <span class="searchmatch">numbers</span>) (mathematics) A number which results from the summation of consecutive <span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span>, starting from 1. If the <span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span> in such...
cobalancing number is confined to the pronic <span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span>, that is, <span class="searchmatch">triangular</span> <span class="searchmatch">numbers</span> that are also pronic <span class="searchmatch">numbers</span>. heteromecic rectangular number oblong...
after Robert W. Floyd. Floyd's triangle A right-angled <span class="searchmatch">triangular</span> array of the natural <span class="searchmatch">numbers</span>, whose generation is often set as an exercise in computer...
(1930–1987). Narayana number (plural Narayana <span class="searchmatch">numbers</span>) (combinatorics) Any of the <span class="searchmatch">triangular</span> array of natural <span class="searchmatch">numbers</span> defined by N(n, k), n = 1, 2, 3 ..., 1...
no other digit. 1975, David W. Ballew, Ronald C. Weger, “Repdigit <span class="searchmatch">Triangular</span> <span class="searchmatch">Numbers</span>”, in Journal of Recreational Mathematics, volume 8, number 2, Farmingdale...
that is bounded by the margins of anastomosing colpi, usually forming a <span class="searchmatch">triangular</span> shape. apocolpium Willem Punt, PP Hoen, Stephen Blackmore, Siwert Nilsson...
sets: natural <span class="searchmatch">numbers</span>, integers, rational <span class="searchmatch">numbers</span>, real <span class="searchmatch">numbers</span>, complex <span class="searchmatch">numbers</span>, and sometimes extensions such as hypercomplex <span class="searchmatch">numbers</span>, etc. The equation...
(plural prime <span class="searchmatch">numbers</span>) (number theory) Any natural number greater than 1 that cannot be formed by multiplying two smaller natural <span class="searchmatch">numbers</span>. The fundamental...