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 A309888 #11 Aug 22 2019 20:46:26 %S A309888 1,1,3,3,4,1,2,4,3,1,0,2,3,3,2,0,1,2,4,2,4,4,3,0,1,0,0,4,4,1,1,0,4,3, %T A309888 0,4,4,0,2,1,1,4,0,0,0,0,0,3,0,0,2,2,0,2,2,4,0,1,3,0,3,3,2,2,0,2,0,1, %U A309888 3,1,4,0,0,2,4,1,3,2,4,3,0,2,4,0,4,3,0,4,0,1,3,3,2,2,2,1,3,0,4,4 %N A309888 Coefficients of 5-adic expansion of exp(5). %H A309888 Wikipedia, <a href="https://en.wikipedia.org/wiki/P-adic_exponential_function">p-adic exponential</a> %o A309888 (PARI) N=100; Vecrev(digits(lift(exp(5+O(5^N))), 5), N) %Y A309888 k-adic expansion of exp(k): A317675 (k=3), A309887 (k=4), this sequence (k=5). %Y A309888 Cf. A092511. %K A309888 nonn,base %O A309888 0,3 %A A309888 _Seiichi Manyama_, Aug 21 2019