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 | 1 |
| 1 | 20 |
| 2 | 74 |
| 3 | 164 |
| 4 | 290 |
| 5 | 452 |
| 6 | 650 |
| 7 | 884 |
| 8 | 1154 |
| 9 | 1460 |
| 10 | 1802 |
| 11 | 2180 |
| 12 | 2594 |
| 13 | 3044 |
| 14 | 3530 |
| 15 | 4052 |
| 16 | 4610 |
| 17 | 5204 |
| 18 | 5834 |
| 19 | 6500 |
| 20 | 7202 |
| 21 | 7940 |
| 22 | 8714 |
| 23 | 9524 |
| 24 | 10370 |
| 25 | 11252 |
| 26 | 12170 |
| 27 | 13124 |
| 28 | 14114 |
| 29 | 15140 |
| 30 | 16202 |
| 31 | 17300 |
| 32 | 18434 |
| 33 | 19604 |
| 34 | 20810 |
| 35 | 22052 |
| 36 | 23330 |
| 37 | 24644 |
| 38 | 25994 |
| 39 | 27380 |
| 40 | 28802 |
| 41 | 30260 |