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 | 4 |
| 3 | 7 |
| 4 | 14 |
| 5 | 23 |
| 6 | 41 |
| 7 | 63 |
| 8 | 104 |
| 9 | 152 |
| 10 | 230 |
| 11 | 327 |
| 12 | 470 |
| 13 | 647 |
| 14 | 897 |
| 15 | 1202 |
| 16 | 1616 |
| 17 | 2117 |
| 18 | 2775 |
| 19 | 3566 |
| 20 | 4580 |
| 21 | 5787 |
| 22 | 7301 |
| 23 | 9092 |
| 24 | 11298 |
| 25 | 13885 |
| 26 | 17028 |
| 27 | 20688 |
| 28 | 25076 |
| 29 | 30154 |
| 30 | 36172 |
| 31 | 43094 |
| 32 | 51221 |
| 33 | 60511 |
| 34 | 71323 |
| 35 | 83622 |
| 36 | 97822 |
| 37 | 113893 |
| 38 | 132323 |
| 39 | 153083 |