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 | 1 |
| 2 | 5 |
| 3 | 9 |
| 4 | 28 |
| 5 | 48 |
| 6 | 130 |
| 7 | 226 |
| 8 | 532 |
| 9 | 941 |
| 10 | 2021 |
| 11 | 3545 |
| 12 | 7210 |
| 13 | 12509 |
| 14 | 24209 |
| 15 | 41715 |
| 16 | 77742 |
| 17 | 132404 |
| 18 | 239655 |
| 19 | 403731 |
| 20 | 712426 |
| 21 | 1188079 |
| 22 | 2052070 |
| 23 | 3386854 |
| 24 | 5745200 |
| 25 | 9388740 |
| 26 | 15672560 |
| 27 | 25376167 |
| 28 | 41765597 |
| 29 | 67021171 |
| 30 | 108932532 |
| 31 | 173327693 |
| 32 | 278533669 |
| 33 | 439653317 |
| 34 | 699265665 |