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 A376669 #8 Oct 05 2024 14:00:43 %S A376669 56,210,504,1260,1365,1680,1716,2520,5040,7560,9240,13860,15120,17550, %T A376669 21840,24024,25200,25740,27720,30030,42504,43680,55440,60060,69300, %U A376669 72072,75600,77520,83160,110880,120120,151200,154440,168168,180180,185640,203490,240240 %N A376669 Positive integers whose maximum frequency in a fixed row of A036038 (or A078760) is equal to 2, i.e., numbers m such that A376663(m) = 2. %H A376669 Pontus von Brömssen, <a href="/A376669/b376669.txt">Table of n, a(n) for n = 1..10000</a> %e A376669 56 is a term, because it can be represented as a multinomial coefficient for 2 different partitions of 8 (and never for more than 2 different partitions of the same integer): 56 = 8!/(1!*1!*6!) = 8!/(3!*5!). %Y A376669 Second row of A376667. %Y A376669 Subsequence of A325306. %Y A376669 Cf. A036038, A078760, A376372, A376663. %K A376669 nonn %O A376669 1,1 %A A376669 _Pontus von Brömssen_, Oct 02 2024