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.
1, 2, 135, 2537
Offset: 1
Examples
2537 is in the sequence because 2537 = 2^pi(2)+5^pi(5)+3^pi(3)+7^pi(7).
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.
2537 is in the sequence because 2537 = 2^pi(2)+5^pi(5)+3^pi(3)+7^pi(7).