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 | 35 |
| 2 | 247 |
| 3 | 925 |
| 4 | 2501 |
| 5 | 5551 |
| 6 | 10795 |
| 7 | 19097 |
| 8 | 31465 |
| 9 | 49051 |
| 10 | 73151 |
| 11 | 105205 |
| 12 | 146797 |
| 13 | 199655 |
| 14 | 265651 |
| 15 | 346801 |
| 16 | 445265 |
| 17 | 563347 |
| 18 | 703495 |
| 19 | 868301 |
| 20 | 1060501 |
| 21 | 1282975 |
| 22 | 1538747 |
| 23 | 1830985 |
| 24 | 2163001 |
| 25 | 2538251 |
| 26 | 2960335 |
| 27 | 3432997 |
| 28 | 3960125 |
| 29 | 4545751 |
| 30 | 5194051 |
| 31 | 5909345 |
| 32 | 6696097 |
| 33 | 7558915 |