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 | -10 |
| 2 | 0 |
| 3 | 30 |
| 4 | 80 |
| 5 | 150 |
| 6 | 240 |
| 7 | 350 |
| 8 | 480 |
| 9 | 630 |
| 10 | 800 |
| 11 | 990 |
| 12 | 1200 |
| 13 | 1430 |
| 14 | 1680 |
| 15 | 1950 |
| 16 | 2240 |
| 17 | 2550 |
| 18 | 2880 |
| 19 | 3230 |
| 20 | 3600 |
| 21 | 3990 |
| 22 | 4400 |
| 23 | 4830 |
| 24 | 5280 |
| 25 | 5750 |
| 26 | 6240 |
| 27 | 6750 |
| 28 | 7280 |
| 29 | 7830 |
| 30 | 8400 |
| 31 | 8990 |
| 32 | 9600 |
| 33 | 10230 |
| 34 | 10880 |
| 35 | 11550 |
| 36 | 12240 |
| 37 | 12950 |
| 38 | 13680 |
| 39 | 14430 |
| 40 | 15200 |
| 41 | 15990 |
| 42 | 16800 |
| 43 | 17630 |
| 44 | 18480 |
| 45 | 19350 |
| 46 | 20240 |