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 A212535 #6 Jul 22 2025 22:56:27 %S A212535 7,7,12,18,33,44,83,106,157,200,272,351,518,715,1010,1343,1756,2152, %T A212535 2670,3101,3685,4168,4866,5474,6452,7345,8718,10082,11964,13801,16207, %U A212535 18489,21386,24289,27876,31630,36294,41204,47131,53471,60792,68552,77355,86516 %N A212535 Number of nondecreasing sequences of n 1..7 integers with every element dividing the sequence sum. %C A212535 Column 7 of A212536 %H A212535 R. H. Hardin, <a href="/A212535/b212535.txt">Table of n, a(n) for n = 1..210</a> %e A212535 Some solutions for n=8 %e A212535 ..3....1....1....1....1....1....1....1....1....1....1....1....2....6....2....2 %e A212535 ..3....1....1....1....1....1....1....1....2....3....1....1....2....6....2....2 %e A212535 ..3....3....1....1....2....1....1....1....2....3....2....3....4....6....2....2 %e A212535 ..3....3....1....5....2....1....3....1....2....3....2....3....4....6....2....3 %e A212535 ..3....4....1....5....2....1....3....1....2....3....3....3....4....6....2....3 %e A212535 ..5....4....5....5....2....1....3....1....2....3....3....3....4....6....4....4 %e A212535 ..5....4....5....6....5....3....6....2....4....4....6....4....4....6....4....4 %e A212535 ..5....4....5....6....5....3....6....4....5....4....6....6....4....6....6....4 %K A212535 nonn %O A212535 1,1 %A A212535 _R. H. Hardin_ May 20 2012