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 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 3 |
| 10 | 6 |
| 11 | 7 |
| 12 | 7 |
| 13 | 11 |
| 14 | 15 |
| 15 | 14 |
| 16 | 24 |
| 17 | 30 |
| 18 | 38 |
| 19 | 48 |
| 20 | 73 |
| 21 | 83 |
| 22 | 114 |
| 23 | 155 |
| 24 | 191 |
| 25 | 251 |
| 26 | 336 |
| 27 | 426 |
| 28 | 560 |
| 29 | 737 |
| 30 | 964 |
| 31 | 1237 |
| 32 | 1628 |
| 33 | 2135 |
| 34 | 2726 |
| 35 | 3622 |
| 36 | 4680 |
| 37 | 6104 |
| 38 | 7948 |
| 39 | 10430 |
| 40 | 13504 |
| 41 | 17662 |
| 42 | 23081 |
| 43 | 29965 |
| 44 | 39050 |
| 45 | 51143 |
| 46 | 66276 |
| 47 | 86674 |
| 48 | 112986 |
| 49 | 147161 |
| 50 | 191843 |
| 51 | 250259 |