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 | 1 |
| 3 | 5 |
| 4 | 9 |
| 5 | 10 |
| 6 | 25 |
| 7 | 45 |
| 8 | 70 |
| 9 | 85 |
| 10 | 130 |
| 11 | 190 |
| 12 | 205 |
| 13 | 310 |
| 14 | 370 |
| 15 | 445 |
| 16 | 505 |
| 17 | 730 |
| 18 | 865 |
| 19 | 925 |
| 20 | 970 |
| 21 | 1150 |
| 22 | 1570 |
| 23 | 1705 |
| 24 | 2125 |
| 25 | 2230 |
| 26 | 2725 |
| 27 | 3130 |
| 28 | 3445 |
| 29 | 3970 |
| 30 | 4270 |
| 31 | 4705 |
| 32 | 4825 |
| 33 | 5545 |
| 34 | 5770 |
| 35 | 6430 |
| 36 | 6805 |
| 37 | 8170 |
| 38 | 8905 |
| 39 | 9445 |
| 40 | 10705 |
| 41 | 13045 |
| 42 | 14830 |
| 43 | 15670 |
| 44 | 17005 |
| 45 | 17245 |
| 46 | 17530 |
| 47 | 21205 |