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 A351072 #12 Feb 14 2022 11:20:26 %S A351072 1,5,13,57,273,1747,12877,105366 %N A351072 a(n) is the number of prime(1+n)-smooth numbers larger than one whose k-th arithmetic derivative is zero for some k. %C A351072 Number of prime(1+n)-smooth terms > 1 in A099308 and in A351255. %C A351072 See comments in A351071 about extending this sequence. %F A351072 a(n) = A328307(A002110(1+n))-2. %Y A351072 Partial sums of A351071. %Y A351072 Cf. A003415, A002110, A099308, A328307, A351255. %K A351072 nonn,hard,more %O A351072 0,2 %A A351072 _Antti Karttunen_, Feb 14 2022