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 | 2 |
| 2 | 34 |
| 3 | 196 |
| 4 | 708 |
| 5 | 1958 |
| 6 | 4550 |
| 7 | 9352 |
| 8 | 17544 |
| 9 | 30666 |
| 10 | 50666 |
| 11 | 79948 |
| 12 | 121420 |
| 13 | 178542 |
| 14 | 255374 |
| 15 | 356624 |
| 16 | 487696 |
| 17 | 654738 |
| 18 | 864690 |
| 19 | 1125332 |
| 20 | 1445332 |
| 21 | 1834294 |
| 22 | 2302806 |
| 23 | 2862488 |
| 24 | 3526040 |
| 25 | 4307290 |
| 26 | 5221242 |
| 27 | 6284124 |
| 28 | 7513436 |
| 29 | 8927998 |
| 30 | 10547998 |
| 31 | 12395040 |
| 32 | 14492192 |
| 33 | 16864034 |
| 34 | 19536706 |