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 | 3 |
| 4 | 6 |
| 5 | 12 |
| 6 | 19 |
| 7 | 33 |
| 8 | 50 |
| 9 | 77 |
| 10 | 111 |
| 11 | 166 |
| 12 | 229 |
| 13 | 329 |
| 14 | 448 |
| 15 | 615 |
| 16 | 824 |
| 17 | 1120 |
| 18 | 1467 |
| 19 | 1956 |
| 20 | 2538 |
| 21 | 3313 |
| 22 | 4258 |
| 23 | 5512 |
| 24 | 6993 |
| 25 | 8944 |
| 26 | 11278 |
| 27 | 14258 |
| 28 | 17838 |
| 29 | 22402 |
| 30 | 27788 |
| 31 | 34629 |
| 32 | 42747 |
| 33 | 52832 |
| 34 | 64844 |
| 35 | 79706 |
| 36 | 97232 |
| 37 | 118868 |
| 38 | 144392 |
| 39 | 175474 |
| 40 | 212168 |
| 41 | 256750 |