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 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 3 |
| 10 | 5 |
| 11 | 5 |
| 12 | 9 |
| 13 | 11 |
| 14 | 15 |
| 15 | 23 |
| 16 | 28 |
| 17 | 43 |
| 18 | 57 |
| 19 | 78 |
| 20 | 113 |
| 21 | 149 |
| 22 | 214 |
| 23 | 293 |
| 24 | 403 |
| 25 | 569 |
| 26 | 774 |
| 27 | 1086 |
| 28 | 1502 |
| 29 | 2072 |
| 30 | 2896 |
| 31 | 3986 |
| 32 | 5548 |
| 33 | 7691 |
| 34 | 10636 |
| 35 | 14797 |
| 36 | 20459 |
| 37 | 28400 |
| 38 | 39386 |
| 39 | 54542 |
| 40 | 75724 |
| 41 | 104886 |
| 42 | 145468 |
| 43 | 201733 |
| 44 | 279545 |
| 45 | 387786 |
| 46 | 537472 |
| 47 | 745233 |
| 48 | 1033383 |
| 49 | 1432415 |
| 50 | 1986394 |