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) |
|---|---|
| 2 | 1 |
| 3 | 4 |
| 4 | 10 |
| 5 | 21 |
| 6 | 39 |
| 7 | 67 |
| 8 | 107 |
| 9 | 163 |
| 10 | 238 |
| 11 | 337 |
| 12 | 463 |
| 13 | 622 |
| 14 | 818 |
| 15 | 1058 |
| 16 | 1346 |
| 17 | 1690 |
| 18 | 2095 |
| 19 | 2570 |
| 20 | 3120 |
| 21 | 3755 |
| 22 | 4481 |
| 23 | 5309 |
| 24 | 6245 |
| 25 | 7301 |
| 26 | 8484 |
| 27 | 9807 |
| 28 | 11277 |
| 29 | 12908 |
| 30 | 14708 |
| 31 | 16692 |
| 32 | 18868 |
| 33 | 21252 |
| 34 | 23853 |
| 35 | 26688 |
| 36 | 29766 |
| 37 | 33105 |
| 38 | 36715 |
| 39 | 40615 |
| 40 | 44815 |
| 41 | 49335 |
| 42 | 54186 |