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 | 10 |
| 2 | 50 |
| 3 | 120 |
| 4 | 220 |
| 5 | 350 |
| 6 | 510 |
| 7 | 700 |
| 8 | 920 |
| 9 | 1170 |
| 10 | 1450 |
| 11 | 1760 |
| 12 | 2100 |
| 13 | 2470 |
| 14 | 2870 |
| 15 | 3300 |
| 16 | 3760 |
| 17 | 4250 |
| 18 | 4770 |
| 19 | 5320 |
| 20 | 5900 |
| 21 | 6510 |
| 22 | 7150 |
| 23 | 7820 |
| 24 | 8520 |
| 25 | 9250 |
| 26 | 10010 |
| 27 | 10800 |
| 28 | 11620 |
| 29 | 12470 |
| 30 | 13350 |
| 31 | 14260 |
| 32 | 15200 |
| 33 | 16170 |
| 34 | 17170 |
| 35 | 18200 |
| 36 | 19260 |
| 37 | 20350 |