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 | 5 |
| 2 | 169 |
| 3 | 4070 |
| 4 | 98839 |
| 5 | 2406169 |
| 6 | 58609226 |
| 7 | 1427656268 |
| 8 | 34776685046 |
| 9 | 847137052736 |
| 10 | 20635714219606 |
| 11 | 502672812882802 |
| 12 | 12244789017184793 |
| 13 | 298275250691010051 |
| 14 | 7265794879094161325 |
| 15 | 176990129491522032721 |
| 16 | 4311366679215895257906 |