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 | 2 |
| 3 | 11 |
| 4 | 38 |
| 5 | 93 |
| 6 | 206 |
| 7 | 386 |
| 8 | 678 |
| 9 | 1112 |
| 10 | 1748 |
| 11 | 2583 |
| 12 | 3768 |
| 13 | 5253 |
| 14 | 7172 |
| 15 | 9630 |
| 16 | 12720 |
| 17 | 16370 |
| 18 | 20910 |
| 19 | 26169 |
| 20 | 32566 |
| 21 | 40139 |
| 22 | 48962 |
| 23 | 58900 |
| 24 | 70710 |
| 25 | 84096 |
| 26 | 99284 |
| 27 | 116469 |
| 28 | 136116 |
| 29 | 157671 |
| 30 | 182436 |
| 31 | 209436 |
| 32 | 239596 |
| 33 | 272976 |
| 34 | 309630 |
| 35 | 350035 |
| 36 | 395346 |
| 37 | 444021 |
| 38 | 496890 |
| 39 | 554402 |
| 40 | 617906 |