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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 19 |
| 9 | 37 |
| 10 | 74 |
| 11 | 142 |
| 12 | 268 |
| 13 | 518 |
| 14 | 1033 |
| 15 | 2077 |
| 16 | 4152 |
| 17 | 8290 |
| 18 | 16687 |
| 19 | 33899 |
| 20 | 69148 |
| 21 | 141160 |
| 22 | 288650 |
| 23 | 592354 |
| 24 | 1220086 |
| 25 | 2519226 |
| 26 | 5210164 |
| 27 | 10794088 |
| 28 | 22408556 |
| 29 | 46613554 |
| 30 | 97125751 |
| 31 | 202662419 |
| 32 | 423459427 |
| 33 | 886048249 |
| 34 | 1856448852 |
| 35 | 3894362560 |
| 36 | 8178530890 |