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 | 7 |
| 2 | 23 |
| 3 | 55 |
| 4 | 109 |
| 5 | 191 |
| 6 | 307 |
| 7 | 463 |
| 8 | 665 |
| 9 | 919 |
| 10 | 1231 |
| 11 | 1607 |
| 12 | 2053 |
| 13 | 2575 |
| 14 | 3179 |
| 15 | 3871 |
| 16 | 4657 |
| 17 | 5543 |
| 18 | 6535 |
| 19 | 7639 |
| 20 | 8861 |
| 21 | 10207 |
| 22 | 11683 |
| 23 | 13295 |
| 24 | 15049 |
| 25 | 16951 |
| 26 | 19007 |
| 27 | 21223 |
| 28 | 23605 |
| 29 | 26159 |
| 30 | 28891 |
| 31 | 31807 |
| 32 | 34913 |
| 33 | 38215 |
| 34 | 41719 |
| 35 | 45431 |
| 36 | 49357 |
| 37 | 53503 |
| 38 | 57875 |
| 39 | 62479 |
| 40 | 67321 |
| 41 | 72407 |