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 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 19 |
| 6 | 32 |
| 7 | 50 |
| 8 | 77 |
| 9 | 115 |
| 10 | 170 |
| 11 | 244 |
| 12 | 348 |
| 13 | 485 |
| 14 | 674 |
| 15 | 922 |
| 16 | 1251 |
| 17 | 1678 |
| 18 | 2241 |
| 19 | 2959 |
| 20 | 3892 |
| 21 | 5076 |
| 22 | 6592 |
| 23 | 8497 |
| 24 | 10915 |
| 25 | 13930 |
| 26 | 17719 |
| 27 | 22417 |
| 28 | 28267 |
| 29 | 35474 |
| 30 | 44395 |
| 31 | 55312 |
| 32 | 68730 |
| 33 | 85082 |
| 34 | 105049 |
| 35 | 129261 |
| 36 | 158675 |
| 37 | 194171 |
| 38 | 237077 |
| 39 | 288651 |