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 A346937 #5 Aug 08 2021 08:37:31 %S A346937 1,5,50,500,5480,62776,749397,9203128,115607259,1478308780, %T A346937 19180049927,251857056364,3340843549854,44700484300317, %U A346937 602574657421585,8175951649914160,111572030260242089,1530312970224714489,21085148778264281864,291705220703240850760,4050527291832419432577 %N A346937 a(n) = Sum_{d|n} mu(n/d) * binomial(6*d,d) / (5*d+1). %C A346937 Moebius transform of A002295. %t A346937 Table[Sum[MoebiusMu[n/d] Binomial[6 d, d]/(5 d + 1), {d, Divisors[n]}], {n, 21}] %Y A346937 Cf. A002295, A002996, A008683, A346925, A346935, A346936, A346938, A346939. %K A346937 nonn %O A346937 1,2 %A A346937 _Ilya Gutkovskiy_, Aug 08 2021