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 A244233 #15 Jul 05 2014 14:10:40 %S A244233 1,1,0,1,2,0,0,0,1,2,2,4,6,2,0,0,0,0,0,0,0,0,1,2,2,4,6,2,4,4,8,12,12, %T A244233 18,24,12,2,4,4,8,12,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, %U A244233 2,2,4,6,2,4,4,8,12,12,18,24,12,2,4,4,8,12,4,8,8,16,24,24,36,48,24,36,36,54,72,72,96,120,72,24,36,36,54,72,36,2,4,4,8,12,4,8,8,16,24,24,36,48,24,4,8,8,16,24,8,16,16,32,48,48,72,0 %N A244233 Product of "digit values" in Semigreedy Catalan Representation of n, A244159. %C A244233 Note that a(33604) = 10! = 3628800 because the product is computed from the underlying list (vector) of numbers, and thus is not subject to any corruption by decimal representation as A244159 itself is. %H A244233 Antti Karttunen, <a href="/A244233/b244233.txt">Table of n, a(n) for n = 0..4862</a> %F A244233 For all n, a(A014138(n)) = 1 and a(A014143(n)) = A000142(n+1). %o A244233 (Scheme) (define (A244233 n) (apply * (vector->list (A244159raw n)))) ;; A244159raw given in A244159. %Y A244233 A244314 gives the positions of zeros. %Y A244233 Cf. A000108, A244159, A244231, A244232, A244318. %K A244233 nonn %O A244233 0,5 %A A244233 _Antti Karttunen_, Jun 25 2014