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 | 351 |
| 2 | 561 |
| 3 | 780 |
| 4 | 990 |
| 5 | 1176 |
| 6 | 1596 |
| 7 | 2016 |
| 8 | 2145 |
| 9 | 3321 |
| 10 | 3741 |
| 11 | 4278 |
| 12 | 4371 |
| 13 | 5565 |
| 14 | 6216 |
| 15 | 6786 |
| 16 | 7503 |
| 17 | 7626 |
| 18 | 7875 |
| 19 | 8256 |
| 20 | 10296 |
| 21 | 10440 |
| 22 | 10731 |
| 23 | 11781 |
| 24 | 12561 |
| 25 | 12880 |
| 26 | 13041 |
| 27 | 13695 |
| 28 | 14196 |
| 29 | 14535 |
| 30 | 14706 |
| 31 | 15576 |
| 32 | 16836 |
| 33 | 17391 |
| 34 | 17955 |
| 35 | 18915 |
| 36 | 20100 |
| 37 | 20503 |
| 38 | 20910 |
| 39 | 21321 |
| 40 | 21528 |