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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 3 |
| 10 | 4 |
| 11 | 5 |
| 12 | 6 |
| 13 | 8 |
| 14 | 9 |
| 15 | 12 |
| 16 | 14 |
| 17 | 18 |
| 18 | 22 |
| 19 | 27 |
| 20 | 34 |
| 21 | 41 |
| 22 | 52 |
| 23 | 63 |
| 24 | 79 |
| 25 | 97 |
| 26 | 120 |
| 27 | 149 |
| 28 | 183 |
| 29 | 228 |
| 30 | 280 |
| 31 | 348 |
| 32 | 429 |
| 33 | 531 |
| 34 | 657 |
| 35 | 811 |
| 36 | 1005 |
| 37 | 1240 |
| 38 | 1536 |
| 39 | 1897 |
| 40 | 2347 |
| 41 | 2902 |
| 42 | 3587 |
| 43 | 4438 |
| 44 | 5484 |
| 45 | 6785 |
| 46 | 8386 |
| 47 | 10372 |
| 48 | 12824 |
| 49 | 15856 |
| 50 | 19609 |
| 51 | 24242 |
| 52 | 29981 |
| 53 | 37066 |
| 54 | 45837 |