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 | 1 |
| 1 | 4 |
| 2 | 15 |
| 3 | 42 |
| 4 | 93 |
| 5 | 176 |
| 6 | 299 |
| 7 | 470 |
| 8 | 697 |
| 9 | 988 |
| 10 | 1351 |
| 11 | 1794 |
| 12 | 2325 |
| 13 | 2952 |
| 14 | 3683 |
| 15 | 4526 |
| 16 | 5489 |
| 17 | 6580 |
| 18 | 7807 |
| 19 | 9178 |
| 20 | 10701 |
| 21 | 12384 |
| 22 | 14235 |
| 23 | 16262 |
| 24 | 18473 |
| 25 | 20876 |
| 26 | 23479 |
| 27 | 26290 |
| 28 | 29317 |
| 29 | 32568 |
| 30 | 36051 |
| 31 | 39774 |
| 32 | 43745 |
| 33 | 47972 |
| 34 | 52463 |
| 35 | 57226 |
| 36 | 62269 |
| 37 | 67600 |
| 38 | 73227 |
| 39 | 79158 |