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 A325593 #20 Sep 25 2024 09:55:40 %S A325593 1,6,20,30,56,60,90,105,120,210,252,360,420,462,495,504,560,630,720, %T A325593 756,840,990,1260,1320,1365,1540,1680,1716,1980,2520,2970,3003,3360, %U A325593 3960,4290,4620,5040,5460,6006,6435,7140,7560,7920,8190,9240,10080,10296,10626 %N A325593 Numbers having at least three representations as multinomial coefficients M(n;lambda), where lambda is a partition of n. %C A325593 Numbers occurring at least three times in the triangle A036038. %H A325593 Pontus von Brömssen, <a href="/A325593/b325593.txt">Table of n, a(n) for n = 1..10000</a> (first 505 terms from Alois P. Heinz) %e A325593 1 is in the sequence because M(0;0) = M(1;1) = M(2;2) = M(3;3) = ... = 1. %e A325593 6 is in the sequence because M(6;5,1) = M(4;2,2) = M(3;1,1,1) = 6. %e A325593 56 is in the sequence because M(56;55,1) = M(8;5,3) = M(8;6,1,1) = 56. %Y A325593 Cf. A036038, A325472, A325903, A376370. %Y A325593 A376373 is a subsequence. %K A325593 nonn %O A325593 1,2 %A A325593 _Alois P. Heinz_, Sep 06 2019