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 | 0 |
| 2 | 2 |
| 3 | 9 |
| 4 | 44 |
| 5 | 100 |
| 6 | 252 |
| 7 | 441 |
| 8 | 848 |
| 9 | 1296 |
| 10 | 2150 |
| 11 | 3025 |
| 12 | 4572 |
| 13 | 6084 |
| 14 | 8624 |
| 15 | 11025 |
| 16 | 14912 |
| 17 | 18496 |
| 18 | 24138 |
| 19 | 29241 |
| 20 | 37100 |
| 21 | 44100 |
| 22 | 54692 |
| 23 | 64009 |
| 24 | 77904 |
| 25 | 90000 |
| 26 | 107822 |
| 27 | 123201 |
| 28 | 145628 |
| 29 | 164836 |
| 30 | 192600 |
| 31 | 216225 |
| 32 | 250112 |
| 33 | 278784 |
| 34 | 319634 |
| 35 | 354025 |
| 36 | 402732 |
| 37 | 443556 |
| 38 | 501068 |
| 39 | 549081 |