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 | 3 |
| 2 | 15 |
| 3 | 36 |
| 4 | 88 |
| 5 | 145 |
| 6 | 236 |
| 7 | 357 |
| 8 | 493 |
| 9 | 704 |
| 10 | 896 |
| 11 | 1122 |
| 12 | 1531 |
| 13 | 1862 |
| 14 | 2229 |
| 15 | 2635 |
| 16 | 3146 |
| 17 | 3653 |
| 18 | 4539 |
| 19 | 5176 |
| 20 | 5948 |
| 21 | 6669 |
| 22 | 7540 |
| 23 | 8492 |
| 24 | 9594 |
| 25 | 10660 |
| 26 | 11887 |
| 27 | 13079 |
| 28 | 14720 |
| 29 | 16341 |
| 30 | 17737 |
| 31 | 19118 |
| 32 | 20619 |
| 33 | 22351 |
| 34 | 24143 |
| 35 | 26070 |
| 36 | 28012 |
| 37 | 30413 |
| 38 | 33024 |
| 39 | 35575 |
| 40 | 37997 |