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 | 1 |
| 2 | 16 |
| 3 | 54 |
| 4 | 136 |
| 5 | 250 |
| 6 | 486 |
| 7 | 686 |
| 8 | 1152 |
| 9 | 1485 |
| 10 | 2250 |
| 11 | 2662 |
| 12 | 4016 |
| 13 | 4394 |
| 14 | 6174 |
| 15 | 7000 |
| 16 | 9280 |
| 17 | 9826 |
| 18 | 13554 |
| 19 | 13718 |
| 20 | 18250 |
| 21 | 19208 |
| 22 | 23958 |
| 23 | 24334 |
| 24 | 32560 |
| 25 | 31375 |
| 26 | 39546 |
| 27 | 40824 |
| 28 | 50078 |
| 29 | 48778 |
| 30 | 63182 |
| 31 | 59582 |
| 32 | 74752 |
| 33 | 74536 |
| 34 | 88434 |
| 35 | 86436 |
| 36 | 110106 |
| 37 | 101306 |
| 38 | 123462 |
| 39 | 123032 |
| 40 | 147024 |