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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 12 |
| 7 | 21 |
| 8 | 33 |
| 9 | 54 |
| 10 | 131 |
| 11 | 225 |
| 12 | 400 |
| 13 | 1025 |
| 14 | 1425 |
| 15 | 2454 |
| 16 | 4323 |
| 17 | 11221 |
| 18 | 15544 |
| 19 | 31205 |
| 20 | 51153 |
| 21 | 122402 |
| 22 | 213555 |
| 23 | 340401 |
| 24 | 554400 |
| 25 | 1335201 |
| 26 | 2334001 |
| 27 | 4113202 |
| 28 | 10451203 |
| 29 | 15004405 |
| 30 | 25500012 |
| 31 | 44504421 |
| 32 | 114404433 |