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 | 61 |
| 2 | 361 |
| 3 | 1201 |
| 4 | 3001 |
| 5 | 6301 |
| 6 | 11761 |
| 7 | 20161 |
| 8 | 32401 |
| 9 | 49501 |
| 10 | 72601 |
| 11 | 102961 |
| 12 | 141961 |
| 13 | 191101 |
| 14 | 252001 |
| 15 | 326401 |
| 16 | 416161 |
| 17 | 523261 |
| 18 | 649801 |
| 19 | 798001 |
| 20 | 970201 |
| 21 | 1168861 |
| 22 | 1396561 |
| 23 | 1656001 |
| 24 | 1950001 |
| 25 | 2281501 |
| 26 | 2653561 |
| 27 | 3069361 |
| 28 | 3532201 |
| 29 | 4045501 |
| 30 | 4612801 |
| 31 | 5237761 |
| 32 | 5924161 |
| 33 | 6675901 |