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 A257694 #9 May 06 2015 21:44:36 %S A257694 1,1,1,2,1,2,1,2,2,3,2,3,1,2,2,3,4,6,1,2,2,3,4,6,1,2,2,3,2,3,2,3,3,4, %T A257694 3,4,2,3,3,4,6,8,2,3,3,4,6,8,1,2,2,3,4,6,2,3,3,4,6,8,4,6,6,8,9,12,4,6, %U A257694 6,8,9,12,1,2,2,3,4,6,2,3,3,4,6,8,4,6,6,8,9,12,8,12,12,16,18,24,1,2,2,3,4,6,2,3,3,4,6,8,4,6,6,8,9,12,8,12,12,16,18,24,1 %N A257694 a(0) = 1; for n >= 1, a(n) = A060130(n) * a(A257684(n)). %H A257694 Antti Karttunen, <a href="/A257694/b257694.txt">Table of n, a(n) for n = 0..10080</a> %H A257694 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %F A257694 a(0) = 1; for n >= 1, a(n) = A060130(n) * a(A257684(n)). %F A257694 Other identities: %F A257694 For all n >= 1, a(A033312(n)) = A000142(n-1). %o A257694 (Scheme, with memoizing definec-macro) %o A257694 (definec (A257694 n) (if (zero? n) 1 (* (A060130 n) (A257694 (A257684 n))))) %Y A257694 Cf. A034968, A060130, A257684, A257695, A257696, A227153. %K A257694 nonn %O A257694 0,4 %A A257694 _Antti Karttunen_, May 05 2015