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 A085289 #8 Feb 16 2025 08:32:50 %S A085289 0,0,1,1,2,2,5,12,31,31,78,78,191,418,1220,1220,3015,3015,7889,15413, %T A085289 37012,37012,100559,211426,501520,1157544,2880550,2880550,6307387, %U A085289 6307387,17134912,32298263,75200323,148928952,359182792,359182792 %N A085289 Number of sorted multiplicative partitions of n! of length n. %C A085289 If p is prime then a(p) = a(p-1). - _David Wasserman_, Jan 31 2005 %H A085289 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Alladi-GrinsteadConstant.html">Alladi-Grinstead Constant</a> %e A085289 4! = 2*2*2*3, so a(4)=1. %e A085289 6! = 2*2*2*2*5*9 = 2*2*3*3*4*5, so a(6)=2. %Y A085289 Cf. A085288, A085290, A085291. %K A085289 nonn %O A085289 2,5 %A A085289 _Eric W. Weisstein_, Jun 23 2003 %E A085289 More terms from _David Wasserman_, Jan 31 2005