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 | -11 |
| 3 | 17 |
| 4 | 131 |
| 5 | 409 |
| 6 | 953 |
| 7 | 1889 |
| 8 | 3367 |
| 9 | 5561 |
| 10 | 8669 |
| 11 | 12913 |
| 12 | 18539 |
| 13 | 25817 |
| 14 | 35041 |
| 15 | 46529 |
| 16 | 60623 |
| 17 | 77689 |
| 18 | 98117 |
| 19 | 122321 |
| 20 | 150739 |
| 21 | 183833 |
| 22 | 222089 |
| 23 | 266017 |
| 24 | 316151 |
| 25 | 373049 |
| 26 | 437293 |
| 27 | 509489 |
| 28 | 590267 |
| 29 | 680281 |
| 30 | 780209 |
| 31 | 890753 |
| 32 | 1012639 |
| 33 | 1146617 |