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 A127036 #5 Sep 04 2015 10:26:38 %S A127036 0,0,0,1,1,2,3,3,4,5,6,7,7,8,9,10,11,12,13,14,16,17,18,19,20,21,22,23, %T A127036 25,26,27,28,30,31,32,33,35,36,37,38,40,41,42,44,45,46,48,49,51,52,53, %U A127036 55,56,57,59,60,62,63,65,66 %N A127036 a(n) = maximal value of m such that 17^m divides n! (17^m <= n!). %o A127036 (PARI) a(n)=lngamma(n+1)\log(17) \\ _Charles R Greathouse IV_, Sep 04 2015 %o A127036 (PARI) a(n)=logint(n!,17) \\ _Charles R Greathouse IV_, Sep 04 2015 %Y A127036 Cf. A067850, A127031, A127032, A127033, A127034, A127035, A127036, A127037, A127039. %K A127036 nonn %O A127036 1,6 %A A127036 _Artur Jasinski_, Jan 03 2007