cp's OEIS Frontend

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.

A120376 Primes of the form 2*5^k - 1.

Table of values

n a(n)
1 1249
2 31249
3 305175781249
4 119209289550781249
5 1862645149230957031249
6 111022302462515654042363166809082031249
7 25243548967072377773175314089049159349542605923488736152648925781249

List of values

[1249, 31249, 305175781249, 119209289550781249, 1862645149230957031249, 111022302462515654042363166809082031249, 25243548967072377773175314089049159349542605923488736152648925781249]