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 | 3 |
| 3 | 5 |
| 4 | 12 |
| 5 | 19 |
| 6 | 39 |
| 7 | 59 |
| 8 | 112 |
| 9 | 165 |
| 10 | 292 |
| 11 | 419 |
| 12 | 710 |
| 13 | 1001 |
| 14 | 1629 |
| 15 | 2257 |
| 16 | 3567 |
| 17 | 4877 |
| 18 | 7505 |
| 19 | 10133 |
| 20 | 15266 |
| 21 | 20399 |
| 22 | 30140 |
| 23 | 39881 |
| 24 | 57983 |
| 25 | 76085 |
| 26 | 108981 |
| 27 | 141877 |
| 28 | 200625 |
| 29 | 259373 |
| 30 | 362433 |
| 31 | 465493 |
| 32 | 643653 |
| 33 | 821813 |
| 34 | 1125269 |
| 35 | 1428725 |
| 36 | 1939149 |
| 37 | 2449573 |
| 38 | 3297411 |
| 39 | 4145249 |
| 40 | 5538254 |