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 | 1 |
| 2 | 20 |
| 3 | 78 |
| 4 | 199 |
| 5 | 407 |
| 6 | 726 |
| 7 | 1180 |
| 8 | 1793 |
| 9 | 2589 |
| 10 | 3592 |
| 11 | 4826 |
| 12 | 6315 |
| 13 | 8083 |
| 14 | 10154 |
| 15 | 12552 |
| 16 | 15301 |
| 17 | 18425 |
| 18 | 21948 |
| 19 | 25894 |
| 20 | 30287 |
| 21 | 35151 |
| 22 | 40510 |
| 23 | 46388 |
| 24 | 52809 |
| 25 | 59797 |
| 26 | 67376 |
| 27 | 75570 |
| 28 | 84403 |
| 29 | 93899 |
| 30 | 104082 |
| 31 | 114976 |
| 32 | 126605 |
| 33 | 138993 |
| 34 | 152164 |
| 35 | 166142 |
| 36 | 180951 |
| 37 | 196615 |
| 38 | 213158 |