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 | 0 |
| 1 | 1 |
| 2 | 16 |
| 3 | 66 |
| 4 | 172 |
| 5 | 355 |
| 6 | 636 |
| 7 | 1036 |
| 8 | 1576 |
| 9 | 2277 |
| 10 | 3160 |
| 11 | 4246 |
| 12 | 5556 |
| 13 | 7111 |
| 14 | 8932 |
| 15 | 11040 |
| 16 | 13456 |
| 17 | 16201 |
| 18 | 19296 |
| 19 | 22762 |
| 20 | 26620 |
| 21 | 30891 |
| 22 | 35596 |
| 23 | 40756 |
| 24 | 46392 |
| 25 | 52525 |
| 26 | 59176 |
| 27 | 66366 |
| 28 | 74116 |
| 29 | 82447 |
| 30 | 91380 |
| 31 | 100936 |
| 32 | 111136 |
| 33 | 122001 |
| 34 | 133552 |
| 35 | 145810 |
| 36 | 158796 |
| 37 | 172531 |
| 38 | 187036 |
| 39 | 202332 |
| 40 | 218440 |