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 A333899 #8 Apr 20 2020 17:57:25 %S A333899 1,0,0,1,1,22,550,16700,703297,38135272,2584332084,214050246975, %T A333899 21269928579625,2497135296996934,341930210261762434, %U A333899 54008226638062039798,9746833030828647070625,1993080976749664740373600,458405276998431265342151848,117814680468332544208002721773 %N A333899 Number of nonequivalent n X n binary matrices with 3 ones in every row and column up to permutation of rows. %C A333899 Number of factorizations of m^3 into n factors, where m is a product of exactly n distinct primes and each factor is a product of 3 distinct primes. %H A333899 Andrew Howroyd, <a href="/A333899/b333899.txt">Table of n, a(n) for n = 0..100</a> %Y A333899 Column k=3 of A260340. %Y A333899 Cf. A254243. %K A333899 nonn %O A333899 0,6 %A A333899 _Andrew Howroyd_, Apr 18 2020