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 A174907 #4 Mar 18 2023 23:50:44 %S A174907 1,1,3,1,4,2,1,7,4,8,2,1,10,5,1,11,2,6,3,15,1,16,8,1,18,4,9,3,19,2,1, %T A174907 22,10,6,23,2,13,25,4,1,26,14,7,1,31,15,3,32,2,8,5,34,17,1,35,2,18,3, %U A174907 38,9,1,39,19,6,1,41,4,21,10,42,2,1,46,22,8,47,12,23,3,49,4,1,50,26,13,5,53 %N A174907 Write the prime factorization of the factorial numbers (p1^q1*p2^q2*...*pn^qn) where p1,p2... are the primes and q1,q2... are the exponents. The exponents that change with each successive factorial change to the numbers in the sequence. %K A174907 nonn %O A174907 2,3 %A A174907 _Jeff Burch_, Apr 01 2010