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 | 14 |
| 2 | 68 |
| 3 | 202 |
| 4 | 456 |
| 5 | 870 |
| 6 | 1484 |
| 7 | 2338 |
| 8 | 3472 |
| 9 | 4926 |
| 10 | 6740 |
| 11 | 8954 |
| 12 | 11608 |
| 13 | 14742 |
| 14 | 18396 |
| 15 | 22610 |
| 16 | 27424 |
| 17 | 32878 |
| 18 | 39012 |
| 19 | 45866 |
| 20 | 53480 |
| 21 | 61894 |
| 22 | 71148 |
| 23 | 81282 |
| 24 | 92336 |
| 25 | 104350 |
| 26 | 117364 |
| 27 | 131418 |
| 28 | 146552 |
| 29 | 162806 |
| 30 | 180220 |
| 31 | 198834 |
| 32 | 218688 |
| 33 | 239822 |
| 34 | 262276 |
| 35 | 286090 |
| 36 | 311304 |
| 37 | 337958 |
| 38 | 366092 |
| 39 | 395746 |
| 40 | 426960 |