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 | 53 |
| 2 | 825 |
| 3 | 10292 |
| 4 | 111085 |
| 5 | 1092645 |
| 6 | 10000162 |
| 7 | 87098434 |
| 8 | 731106792 |
| 9 | 5964324991 |
| 10 | 47562454949 |
| 11 | 372415747947 |
| 12 | 2872854627301 |
| 13 | 21889626638130 |
| 14 | 165068050869351 |
| 15 | 1233859196014348 |
| 16 | 9153541048411929 |
| 17 | 67464412472963033 |
| 18 | 494406133695289336 |