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 | 0 |
| 2 | 5 |
| 3 | 35 |
| 4 | 70 |
| 5 | 145 |
| 6 | 210 |
| 7 | 330 |
| 8 | 425 |
| 9 | 590 |
| 10 | 715 |
| 11 | 925 |
| 12 | 1080 |
| 13 | 1335 |
| 14 | 1520 |
| 15 | 1820 |
| 16 | 2035 |
| 17 | 2380 |
| 18 | 2625 |
| 19 | 3015 |
| 20 | 3290 |
| 21 | 3725 |
| 22 | 4030 |
| 23 | 4510 |
| 24 | 4845 |
| 25 | 5370 |
| 26 | 5735 |
| 27 | 6305 |
| 28 | 6700 |
| 29 | 7315 |
| 30 | 7740 |
| 31 | 8400 |
| 32 | 8855 |
| 33 | 9560 |
| 34 | 10045 |
| 35 | 10795 |
| 36 | 11310 |
| 37 | 12105 |
| 38 | 12650 |
| 39 | 13490 |
| 40 | 14065 |
| 41 | 14950 |
| 42 | 15555 |
| 43 | 16485 |