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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 14 |
| 5 | 30 |
| 6 | 55 |
| 7 | 90 |
| 8 | 138 |
| 9 | 201 |
| 10 | 279 |
| 11 | 376 |
| 12 | 492 |
| 13 | 630 |
| 14 | 791 |
| 15 | 979 |
| 16 | 1194 |
| 17 | 1438 |
| 18 | 1715 |
| 19 | 2022 |
| 20 | 2366 |
| 21 | 2745 |
| 22 | 3163 |
| 23 | 3622 |
| 24 | 4124 |
| 25 | 4669 |
| 26 | 5260 |
| 27 | 5900 |
| 28 | 6587 |
| 29 | 7327 |
| 30 | 8120 |
| 31 | 8970 |
| 32 | 9876 |
| 33 | 10841 |
| 34 | 11867 |
| 35 | 12954 |
| 36 | 14108 |
| 37 | 15329 |
| 38 | 16616 |
| 39 | 17974 |
| 40 | 19405 |
| 41 | 20907 |
| 42 | 22486 |