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 | 5 |
| 2 | 15 |
| 3 | 28 |
| 4 | 52 |
| 5 | 81 |
| 6 | 123 |
| 7 | 176 |
| 8 | 240 |
| 9 | 325 |
| 10 | 425 |
| 11 | 542 |
| 12 | 684 |
| 13 | 849 |
| 14 | 1037 |
| 15 | 1250 |
| 16 | 1498 |
| 17 | 1775 |
| 18 | 2083 |
| 19 | 2424 |
| 20 | 2806 |
| 21 | 3227 |
| 22 | 3687 |
| 23 | 4188 |
| 24 | 4732 |
| 25 | 5329 |
| 26 | 5973 |
| 27 | 6666 |
| 28 | 7410 |
| 29 | 8207 |
| 30 | 9065 |
| 31 | 9982 |
| 32 | 10958 |
| 33 | 11995 |
| 34 | 13095 |
| 35 | 14260 |
| 36 | 15500 |
| 37 | 16809 |
| 38 | 18189 |
| 39 | 19642 |
| 40 | 21170 |
| 41 | 22775 |
| 42 | 24465 |
| 43 | 26238 |
| 44 | 28094 |
| 45 | 30035 |