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 A256878 #10 Jun 29 2019 03:55:09 %S A256878 18,35,78,84,90,138,210,255,330,429,588,594,910,1098,1170,1275,1386, %T A256878 1530,1755,1820,1950,2156,2275,2706,3315,3510,3927,3978,4746,4758, %U A256878 4794,4900,4914,5202,5610,5850,6244,6300,6412,6930,7254,7410,7462,7566,8778,8850,9042,9354,9435,9492 %N A256878 Numbers divisible by prime(d) for each digit d in their base-8 representation, none of which may be zero. %C A256878 Base-8 analog of A256786. See A256874 - A256879 for the base-4, ..., base-9 analogs. %C A256878 See A256868 for a variant where divisibility by prime(d+1) is required instead. %o A256878 (PARI) is(n,b=8)=!for(i=1,#d=Set(digits(n,b)),(!d[i]||n%prime(d[i]))&&return) %Y A256878 Cf. A256786, A256874 - A256879, A256868, A256882 - A256884, A256865 - A256870. %K A256878 nonn,base %O A256878 1,1 %A A256878 _M. F. Hasler_, Apr 11 2015