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 | 5 |
| 2 | 21 |
| 3 | 45 |
| 4 | 77 |
| 5 | 117 |
| 6 | 165 |
| 7 | 221 |
| 8 | 285 |
| 9 | 357 |
| 10 | 437 |
| 11 | 525 |
| 12 | 621 |
| 13 | 725 |
| 14 | 837 |
| 15 | 957 |
| 16 | 1085 |
| 17 | 1221 |
| 18 | 1365 |
| 19 | 1517 |
| 20 | 1677 |
| 21 | 1845 |
| 22 | 2021 |
| 23 | 2205 |
| 24 | 2397 |
| 25 | 2597 |
| 26 | 2805 |
| 27 | 3021 |
| 28 | 3245 |
| 29 | 3477 |
| 30 | 3717 |
| 31 | 3965 |
| 32 | 4221 |
| 33 | 4485 |
| 34 | 4757 |
| 35 | 5037 |
| 36 | 5325 |
| 37 | 5621 |
| 38 | 5925 |
| 39 | 6237 |
| 40 | 6557 |
| 41 | 6885 |
| 42 | 7221 |
| 43 | 7565 |
| 44 | 7917 |
| 45 | 8277 |
| 46 | 8645 |
| 47 | 9021 |
| 48 | 9405 |
| 49 | 9797 |
| 50 | 10197 |
| 51 | 10605 |
| 52 | 11021 |