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 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 8 |
| 6 | 19 |
| 7 | 30 |
| 8 | 68 |
| 9 | 111 |
| 10 | 229 |
| 11 | 380 |
| 12 | 799 |
| 13 | 1280 |
| 14 | 2519 |
| 15 | 4325 |
| 16 | 8128 |
| 17 | 13666 |
| 18 | 25758 |
| 19 | 43085 |
| 20 | 79300 |
| 21 | 134571 |
| 22 | 240124 |
| 23 | 407794 |
| 24 | 730398 |
| 25 | 1224821 |
| 26 | 2152122 |
| 27 | 3646566 |
| 28 | 6338691 |
| 29 | 10657427 |
| 30 | 18469865 |
| 31 | 30913539 |
| 32 | 53108364 |
| 33 | 88953395 |
| 34 | 151396452 |
| 35 | 253098400 |
| 36 | 429416589 |