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 | 1 |
| 2 | 13 |
| 3 | 40 |
| 4 | 136 |
| 5 | 211 |
| 6 | 535 |
| 7 | 682 |
| 8 | 1322 |
| 9 | 1808 |
| 10 | 2708 |
| 11 | 3071 |
| 12 | 5663 |
| 13 | 6170 |
| 14 | 7934 |
| 15 | 9959 |
| 16 | 13799 |
| 17 | 14666 |
| 18 | 20498 |
| 19 | 21581 |
| 20 | 28781 |
| 21 | 32750 |
| 22 | 37106 |
| 23 | 38693 |
| 24 | 55973 |
| 25 | 59723 |
| 26 | 65807 |
| 27 | 73097 |
| 28 | 87209 |
| 29 | 89732 |
| 30 | 114032 |
| 31 | 116915 |
| 32 | 138419 |
| 33 | 148220 |
| 34 | 158624 |
| 35 | 169649 |
| 36 | 216305 |
| 37 | 220412 |
| 38 | 233408 |
| 39 | 247097 |