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 | 10 |
| 2 | 20 |
| 3 | 92 |
| 4 | 537 |
| 5 | 140 |
| 6 | 3157 |
| 7 | 3604 |
| 8 | 6692 |
| 9 | 26168 |
| 10 | 5408 |
| 11 | 84188 |
| 12 | 69613 |
| 13 | 118244 |
| 14 | 371475 |
| 15 | 57479 |
| 16 | 864418 |
| 17 | 645309 |
| 18 | 916025 |
| 19 | 2639447 |
| 20 | 387005 |
| 21 | 5166751 |
| 22 | 3514237 |
| 23 | 4833175 |
| 24 | 12896465 |
| 25 | 1709869 |
| 26 | 22408038 |
| 27 | 14621090 |
| 28 | 18653741 |
| 29 | 47941297 |
| 30 | 6213321 |
| 31 | 76880715 |