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 | 2 |
| 2 | 6 |
| 3 | 12 |
| 4 | 20 |
| 5 | 35 |
| 6 | 56 |
| 7 | 72 |
| 8 | 99 |
| 9 | 143 |
| 10 | 208 |
| 11 | 272 |
| 12 | 323 |
| 13 | 437 |
| 14 | 575 |
| 15 | 675 |
| 16 | 783 |
| 17 | 899 |
| 18 | 992 |
| 19 | 1184 |
| 20 | 1517 |
| 21 | 1763 |
| 22 | 2021 |
| 23 | 2303 |
| 24 | 2597 |
| 25 | 3127 |
| 26 | 3599 |
| 27 | 3904 |
| 28 | 4288 |
| 29 | 4757 |
| 30 | 5183 |
| 31 | 5767 |
| 32 | 6399 |
| 33 | 6723 |
| 34 | 7387 |
| 35 | 8633 |
| 36 | 9797 |
| 37 | 10403 |
| 38 | 11021 |
| 39 | 11663 |
| 40 | 12317 |
| 41 | 13673 |
| 42 | 15125 |
| 43 | 15875 |
| 44 | 16256 |
| 45 | 16768 |