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) |
---|---|
1 | 31 |
2 | 271 |
3 | 2311 |
4 | 94151567431 |
5 | 847322163871 |
6 | 450284043329950831 |
7 | 239299329793567483011391 |
8 | 13915193059764305948125655305497609574930528737031 |
9 | 123329495011708990974900261530856061081804307325717309329809036625289391 |