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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 5 |
| 15 | 7 |
| 16 | 11 |
| 17 | 15 |
| 18 | 22 |
| 19 | 30 |
| 20 | 43 |
| 21 | 57 |
| 22 | 79 |
| 23 | 104 |
| 24 | 140 |
| 25 | 183 |
| 26 | 242 |
| 27 | 312 |
| 28 | 407 |
| 29 | 520 |
| 30 | 670 |
| 31 | 849 |
| 32 | 1081 |
| 33 | 1359 |
| 34 | 1715 |
| 35 | 2141 |
| 36 | 2678 |
| 37 | 3322 |
| 38 | 4125 |
| 39 | 5085 |
| 40 | 6274 |
| 41 | 7691 |
| 42 | 9430 |
| 43 | 11502 |
| 44 | 14025 |
| 45 | 17024 |
| 46 | 20655 |
| 47 | 24959 |
| 48 | 30140 |
| 49 | 36270 |
| 50 | 43612 |
| 51 | 52274 |
| 52 | 62604 |
| 53 | 74763 |