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 | 0 |
| 2 | 3 |
| 3 | 14 |
| 4 | 43 |
| 5 | 100 |
| 6 | 209 |
| 7 | 374 |
| 8 | 641 |
| 9 | 1020 |
| 10 | 1553 |
| 11 | 2246 |
| 12 | 3197 |
| 13 | 4372 |
| 14 | 5911 |
| 15 | 7778 |
| 16 | 10037 |
| 17 | 12728 |
| 18 | 16043 |
| 19 | 19862 |
| 20 | 24467 |
| 21 | 29728 |
| 22 | 35777 |
| 23 | 42626 |
| 24 | 50625 |
| 25 | 59520 |
| 26 | 69675 |
| 27 | 80966 |
| 28 | 93627 |
| 29 | 107568 |
| 30 | 123345 |
| 31 | 140458 |
| 32 | 159673 |
| 33 | 180664 |
| 34 | 203651 |
| 35 | 228590 |
| 36 | 255857 |
| 37 | 285116 |
| 38 | 317363 |
| 39 | 352058 |