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 | 2 |
| 3 | 5 |
| 4 | 11 |
| 5 | 16 |
| 6 | 30 |
| 7 | 37 |
| 8 | 149 |
| 9 | 221 |
| 10 | 369 |
| 11 | 380 |
| 12 | 1310 |
| 13 | 1323 |
| 14 | 2389 |
| 15 | 2975 |
| 16 | 33695 |
| 17 | 33712 |
| 18 | 72312 |
| 19 | 72331 |
| 20 | 269439 |
| 21 | 282855 |
| 22 | 545109 |
| 23 | 545132 |
| 24 | 4254514 |
| 25 | 4269514 |
| 26 | 8463974 |
| 27 | 9999248 |
| 28 | 35167130 |
| 29 | 35167159 |
| 30 | 71972737 |
| 31 | 71972768 |
| 32 | 2152347552 |
| 33 | 2161914700 |