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 | 7 |
| 2 | 35 |
| 3 | 98 |
| 4 | 210 |
| 5 | 385 |
| 6 | 637 |
| 7 | 980 |
| 8 | 1428 |
| 9 | 1995 |
| 10 | 2695 |
| 11 | 3542 |
| 12 | 4550 |
| 13 | 5733 |
| 14 | 7105 |
| 15 | 8680 |
| 16 | 10472 |
| 17 | 12495 |
| 18 | 14763 |
| 19 | 17290 |
| 20 | 20090 |
| 21 | 23177 |
| 22 | 26565 |
| 23 | 30268 |
| 24 | 34300 |
| 25 | 38675 |
| 26 | 43407 |
| 27 | 48510 |
| 28 | 53998 |
| 29 | 59885 |
| 30 | 66185 |
| 31 | 72912 |
| 32 | 80080 |
| 33 | 87703 |
| 34 | 95795 |
| 35 | 104370 |
| 36 | 113442 |
| 37 | 123025 |
| 38 | 133133 |
| 39 | 143780 |
| 40 | 154980 |
| 41 | 166747 |
| 42 | 179095 |