This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A212538 #6 Jul 22 2025 22:56:47 %S A212538 1,4,8,15,21,30,33,46,53,66,67,87,88,95,111,125,126,143,144,170,180, %T A212538 183,184,214,220,223,231,245,246,282,283,297,302,305,315,346,347,350, %U A212538 355,388,389,412,413,420,442,445,446,478,481,495,499,507,508,526,533,553,557,560 %N A212538 Number of nondecreasing sequences of 5 1..n integers with every element dividing the sequence sum. %C A212538 Row 5 of A212536 %H A212538 R. H. Hardin, <a href="/A212538/b212538.txt">Table of n, a(n) for n = 1..210</a> %e A212538 Some solutions for n=8 %e A212538 ..1....1....1....2....8....1....2....2....1....1....5....1....1....2....3....1 %e A212538 ..2....1....1....2....8....3....4....4....4....3....5....1....1....2....3....3 %e A212538 ..2....3....2....6....8....3....4....6....5....4....5....1....1....2....6....6 %e A212538 ..2....3....4....6....8....3....6....6....5....8....5....3....3....6....6....6 %e A212538 ..7....4....8....8....8....5....8....6....5....8....5....3....6....6....6....8 %K A212538 nonn %O A212538 1,2 %A A212538 _R. H. Hardin_ May 20 2012