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 | 37 |
| 2 | 145 |
| 3 | 325 |
| 4 | 577 |
| 5 | 901 |
| 6 | 1297 |
| 7 | 1765 |
| 8 | 2305 |
| 9 | 2917 |
| 10 | 3601 |
| 11 | 4357 |
| 12 | 5185 |
| 13 | 6085 |
| 14 | 7057 |
| 15 | 8101 |
| 16 | 9217 |
| 17 | 10405 |
| 18 | 11665 |
| 19 | 12997 |
| 20 | 14401 |
| 21 | 15877 |
| 22 | 17425 |
| 23 | 19045 |
| 24 | 20737 |
| 25 | 22501 |
| 26 | 24337 |
| 27 | 26245 |
| 28 | 28225 |
| 29 | 30277 |
| 30 | 32401 |
| 31 | 34597 |
| 32 | 36865 |
| 33 | 39205 |
| 34 | 41617 |
| 35 | 44101 |
| 36 | 46657 |
| 37 | 49285 |
| 38 | 51985 |
| 39 | 54757 |
| 40 | 57601 |