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 | 1 |
| 2 | 7 |
| 3 | 25 |
| 4 | 49 |
| 5 | 109 |
| 6 | 175 |
| 7 | 265 |
| 8 | 343 |
| 9 | 559 |
| 10 | 763 |
| 11 | 1015 |
| 12 | 1225 |
| 13 | 1573 |
| 14 | 1855 |
| 15 | 2161 |
| 16 | 2401 |
| 17 | 3217 |
| 18 | 3913 |
| 19 | 4705 |
| 20 | 5341 |
| 21 | 6325 |
| 22 | 7105 |
| 23 | 7933 |
| 24 | 8575 |
| 25 | 9943 |
| 26 | 11011 |
| 27 | 12127 |
| 28 | 12985 |
| 29 | 14197 |
| 30 | 15127 |
| 31 | 16081 |
| 32 | 16807 |
| 33 | 19975 |
| 34 | 22519 |
| 35 | 25255 |
| 36 | 27391 |
| 37 | 30511 |
| 38 | 32935 |
| 39 | 35455 |
| 40 | 37387 |