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 | 2 |
| 3 | 8 |
| 4 | 25 |
| 5 | 65 |
| 6 | 146 |
| 7 | 292 |
| 8 | 533 |
| 9 | 905 |
| 10 | 1450 |
| 11 | 2216 |
| 12 | 3257 |
| 13 | 4633 |
| 14 | 6410 |
| 15 | 8660 |
| 16 | 11461 |
| 17 | 14897 |
| 18 | 19058 |
| 19 | 24040 |
| 20 | 29945 |
| 21 | 36881 |
| 22 | 44962 |
| 23 | 54308 |
| 24 | 65045 |
| 25 | 77305 |
| 26 | 91226 |
| 27 | 106952 |
| 28 | 124633 |
| 29 | 144425 |
| 30 | 166490 |
| 31 | 190996 |
| 32 | 218117 |
| 33 | 248033 |
| 34 | 280930 |
| 35 | 317000 |
| 36 | 356441 |
| 37 | 399457 |
| 38 | 446258 |
| 39 | 497060 |