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 | 3 |
| 2 | 23 |
| 3 | 71 |
| 4 | 151 |
| 5 | 1409 |
| 6 | 3631 |
| 7 | 5519 |
| 8 | 8737 |
| 9 | 10627 |
| 10 | 17609 |
| 11 | 33457 |
| 12 | 50119 |
| 13 | 54869 |
| 14 | 62423 |
| 15 | 104623 |
| 16 | 146141 |
| 17 | 154493 |
| 18 | 158759 |
| 19 | 163063 |
| 20 | 195197 |
| 21 | 214831 |
| 22 | 274243 |
| 23 | 279991 |
| 24 | 309811 |
| 25 | 347983 |
| 26 | 468709 |
| 27 | 599479 |
| 28 | 625969 |
| 29 | 634943 |
| 30 | 653083 |
| 31 | 881663 |
| 32 | 936253 |
| 33 | 969797 |
| 34 | 1134421 |