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.
n | a(n) |
---|---|
9 | 1 |
10 | -2161452050 |
11 | 5139062461110267955 |
12 | -12108543136400139930131294300 |
13 | 28553261556033167915025118560778623715 |
14 | -67326679110860591163925513616845073983121067050 |
15 | 158752877164012182076561255078472431325233637546101158985 |