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 | 2 |
| 2 | 13 |
| 3 | 26 |
| 4 | 33 |
| 5 | 26 |
| 6 | -3 |
| 7 | -62 |
| 8 | -159 |
| 9 | -302 |
| 10 | -499 |
| 11 | -758 |
| 12 | -1087 |
| 13 | -1494 |
| 14 | -1987 |
| 15 | -2574 |
| 16 | -3263 |
| 17 | -4062 |
| 18 | -4979 |
| 19 | -6022 |
| 20 | -7199 |
| 21 | -8518 |
| 22 | -9987 |
| 23 | -11614 |
| 24 | -13407 |
| 25 | -15374 |
| 26 | -17523 |
| 27 | -19862 |
| 28 | -22399 |
| 29 | -25142 |
| 30 | -28099 |
| 31 | -31278 |
| 32 | -34687 |
| 33 | -38334 |
| 34 | -42227 |
| 35 | -46374 |
| 36 | -50783 |