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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 6 |
| 7 | 13 |
| 8 | 23 |
| 9 | 42 |
| 10 | 68 |
| 11 | 119 |
| 12 | 197 |
| 13 | 324 |
| 14 | 530 |
| 15 | 823 |
| 16 | 1305 |
| 17 | 2040 |
| 18 | 3162 |
| 19 | 4869 |
| 20 | 7431 |
| 21 | 11076 |
| 22 | 16680 |
| 23 | 24831 |
| 24 | 36785 |
| 25 | 54210 |
| 26 | 79546 |
| 27 | 115967 |
| 28 | 167359 |
| 29 | 241726 |
| 30 | 347184 |
| 31 | 496235 |
| 32 | 707681 |
| 33 | 1004534 |
| 34 | 1421178 |
| 35 | 2003969 |
| 36 | 2806921 |
| 37 | 3929770 |
| 38 | 5479406 |
| 39 | 7617149 |
| 40 | 10562169 |