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 A097641 #7 Aug 29 2024 21:08:55 %S A097641 1,2,135,2537 %N A097641 Numbers n such that n=d_1^pi(d_1)+d_2^pi(d_2)+...+d_k^pi(d_k) where d_1 d_2 ... d_k is the decimal expansion of n. %e A097641 2537 is in the sequence because 2537 = 2^pi(2)+5^pi(5)+3^pi(3)+7^pi(7). %Y A097641 Cf. A000720, A097640. %K A097641 base,fini,full,nonn %O A097641 1,2 %A A097641 _Farideh Firoozbakht_, Aug 22 2004