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 A276334 #9 Aug 31 2016 20:56:10
%S A276334 0,1,2,3,4,4,4,4,8,8,8,8,12,12,12,12,16,16,18,18,18,18,18,18,18,18,18,
%T A276334 18,18,18,18,18,18,18,18,18,36,36,36,36,36,36,36,36,36,36,36,36,36,36,
%U A276334 36,36,36,36,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,54,72,72,72,72,72,72,72,72
%N A276334 a(n) = A258199(n) * A276333(n).
%C A276334 a(n) is obtained by first replacing with zeros all other digits except the leftmost (the most significant) in the greedy A001563-base representation of n (A276326), then converting back to decimal. Used to compute A276335.
%H A276334 Antti Karttunen, <a href="/A276334/b276334.txt">Table of n, a(n) for n = 0..4320</a>
%F A276334 a(n) = A258199(n) * A276333(n).
%F A276334 A276335(n) = n - a(n).
%t A276334 Table[# Floor[n/#] &@ (# #!) &@ NestWhile[# + 1 &, 0, # #! <= n &[# + 1] &], {n, 84}] (* _Michael De Vlieger_, Aug 31 2016 *)
%o A276334 (Scheme) (define (A276334 n) (* (A258199 n) (A276333 n)))
%Y A276334 Cf. A001563, A258199, A276332, A276333, A276335.
%K A276334 nonn,base
%O A276334 0,3
%A A276334 _Antti Karttunen_, Aug 30 2016