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 | 10 |
| 3 | 45 |
| 4 | 136 |
| 5 | 325 |
| 6 | 666 |
| 7 | 1225 |
| 8 | 2080 |
| 9 | 3321 |
| 10 | 5050 |
| 11 | 7381 |
| 12 | 10440 |
| 13 | 14365 |
| 14 | 19306 |
| 15 | 25425 |
| 16 | 32896 |
| 17 | 41905 |
| 18 | 52650 |
| 19 | 65341 |
| 20 | 80200 |
| 21 | 97461 |
| 22 | 117370 |
| 23 | 140185 |
| 24 | 166176 |
| 25 | 195625 |
| 26 | 228826 |
| 27 | 266085 |
| 28 | 307720 |
| 29 | 354061 |
| 30 | 405450 |
| 31 | 462241 |
| 32 | 524800 |
| 33 | 593505 |
| 34 | 668746 |
| 35 | 750925 |
| 36 | 840456 |
| 37 | 937765 |