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 A316597 #21 Jul 29 2018 20:47:09 %S A316597 12,20,24,28,40,44,45,48,52,56,60,63,68,72,76,80,84,88,90,92,96,99, %T A316597 104,112,116,117,120,124,126,132,135,136,140,144,148,150,152,153,156, %U A316597 160,164,168,171,172,175,176,180,184,188,189,192,198,200,204,207,208 %N A316597 Heinz numbers of integer partitions that are not totally nondecreasing. %C A316597 The first term of this sequence that is absent from A112769 is 150. %C A316597 An integer partition is totally nondecreasing if either it is empty or a singleton or its multiplicities (where if x < y the multiplicity of x is counted prior to the multiplicity of y) are weakly increasing and, taken in reverse order, are themselves a totally nondecreasing integer partition. %e A316597 150 is the Heinz number of (3,3,2,1), with multiplicities (1,1,2), which has multiplicities (2,1), which are decreasing, so 150 does not belong to the sequence. %Y A316597 Complement of A316529. %Y A316597 Cf. A056239, A071365, A112769, A181819, A182850, A242031, A296150, A305733, A316496, A317258. %K A316597 nonn %O A316597 1,1 %A A316597 _Gus Wiseman_, Jul 29 2018