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 | 11 |
| 3 | 20 |
| 4 | 35 |
| 5 | 52 |
| 6 | 75 |
| 7 | 100 |
| 8 | 131 |
| 9 | 164 |
| 10 | 203 |
| 11 | 244 |
| 12 | 291 |
| 13 | 340 |
| 14 | 395 |
| 15 | 452 |
| 16 | 515 |
| 17 | 580 |
| 18 | 651 |
| 19 | 724 |
| 20 | 803 |
| 21 | 884 |
| 22 | 971 |
| 23 | 1060 |
| 24 | 1155 |
| 25 | 1252 |
| 26 | 1355 |
| 27 | 1460 |
| 28 | 1571 |
| 29 | 1684 |
| 30 | 1803 |
| 31 | 1924 |
| 32 | 2051 |
| 33 | 2180 |
| 34 | 2315 |
| 35 | 2452 |
| 36 | 2595 |
| 37 | 2740 |
| 38 | 2891 |
| 39 | 3044 |
| 40 | 3203 |
| 41 | 3364 |
| 42 | 3531 |
| 43 | 3700 |
| 44 | 3875 |
| 45 | 4052 |
| 46 | 4235 |
| 47 | 4420 |