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 A256868 #17 Dec 13 2024 13:20:20 %S A256868 0,9,33,57,72,130,210,264,456,570,576,585,660,969,1040,1050,1170,1365, %T A256868 1540,1680,1995,2112,2145,2508,2600,2730,2860,2925,3366,3648,3705, %U A256868 4047,4104,4170,4356,4488,4560,4608,4620,4680,4683,4809,4998,5130,5250,5265,5280,6825,7752,8210,8320,8400,8850,9240,9350,9360,9555 %N A256868 Numbers divisible by prime(d+1) for each digit d of their base-8 representation. %C A256868 The base-8 variant of A256882 - A256884, A256866 - A256870 in bases 2, ..., 10. %C A256868 A variant of A256878 where digits 0 are forbidden and divisibility by prime(d) is required. %t A256868 Select[Range[0,10000],And@@Divisible[#,Prime[IntegerDigits[#,8]+1]]&] (* _Harvey P. Dale_, May 06 2015 *) %o A256868 (PARI) is(n,b=8)=!for(i=1,#d=Set(digits(n,b)),n%prime(d[i]+1)&&return) %Y A256868 Cf. A256882, A256883, A256884, A256865 - A256870, A256874 - A256879, A256786. %K A256868 nonn,base %O A256868 1,2 %A A256868 _M. F. Hasler_, Apr 11 2015