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 | 5 |
| 2 | 10 |
| 3 | 19 |
| 4 | 31 |
| 5 | 50 |
| 6 | 75 |
| 7 | 110 |
| 8 | 151 |
| 9 | 205 |
| 10 | 268 |
| 11 | 346 |
| 12 | 434 |
| 13 | 540 |
| 14 | 658 |
| 15 | 797 |
| 16 | 949 |
| 17 | 1124 |
| 18 | 1315 |
| 19 | 1532 |
| 20 | 1765 |
| 21 | 2027 |
| 22 | 2308 |
| 23 | 2620 |
| 24 | 2952 |
| 25 | 3318 |
| 26 | 3706 |
| 27 | 4131 |
| 28 | 4579 |
| 29 | 5066 |
| 30 | 5579 |
| 31 | 6134 |
| 32 | 6715 |
| 33 | 7341 |
| 34 | 7996 |
| 35 | 8698 |
| 36 | 9430 |
| 37 | 10212 |
| 38 | 11026 |
| 39 | 11893 |
| 40 | 12793 |
| 41 | 13748 |