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 | 3 |
| 2 | 6 |
| 3 | 11 |
| 4 | 18 |
| 5 | 29 |
| 6 | 42 |
| 7 | 59 |
| 8 | 78 |
| 9 | 101 |
| 10 | 130 |
| 11 | 161 |
| 12 | 198 |
| 13 | 239 |
| 14 | 286 |
| 15 | 339 |
| 16 | 398 |
| 17 | 465 |
| 18 | 536 |
| 19 | 619 |
| 20 | 708 |
| 21 | 809 |
| 22 | 916 |
| 23 | 1025 |
| 24 | 1138 |
| 25 | 1265 |
| 26 | 1396 |
| 27 | 1533 |
| 28 | 1672 |
| 29 | 1821 |
| 30 | 1978 |
| 31 | 2145 |
| 32 | 2324 |
| 33 | 2505 |
| 34 | 2696 |
| 35 | 2893 |
| 36 | 3092 |
| 37 | 3303 |
| 38 | 3530 |
| 39 | 3763 |
| 40 | 4002 |
| 41 | 4253 |
| 42 | 4510 |
| 43 | 4773 |
| 44 | 5042 |
| 45 | 5323 |
| 46 | 5616 |
| 47 | 5923 |