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) |
|---|---|
| 0 | 0 |
| 1 | 4 |
| 2 | 17 |
| 3 | 37 |
| 4 | 66 |
| 5 | 102 |
| 6 | 147 |
| 7 | 199 |
| 8 | 260 |
| 9 | 328 |
| 10 | 405 |
| 11 | 489 |
| 12 | 582 |
| 13 | 682 |
| 14 | 791 |
| 15 | 907 |
| 16 | 1032 |
| 17 | 1164 |
| 18 | 1305 |
| 19 | 1453 |
| 20 | 1610 |
| 21 | 1774 |
| 22 | 1947 |
| 23 | 2127 |
| 24 | 2316 |
| 25 | 2512 |
| 26 | 2717 |
| 27 | 2929 |
| 28 | 3150 |
| 29 | 3378 |
| 30 | 3615 |
| 31 | 3859 |
| 32 | 4112 |
| 33 | 4372 |
| 34 | 4641 |
| 35 | 4917 |
| 36 | 5202 |
| 37 | 5494 |
| 38 | 5795 |
| 39 | 6103 |
| 40 | 6420 |
| 41 | 6744 |
| 42 | 7077 |
| 43 | 7417 |
| 44 | 7766 |
| 45 | 8122 |