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 | 5 |
| 1 | 14 |
| 2 | 33 |
| 3 | 80 |
| 4 | 193 |
| 5 | 466 |
| 6 | 1125 |
| 7 | 2716 |
| 8 | 6557 |
| 9 | 15830 |
| 10 | 38217 |
| 11 | 92264 |
| 12 | 222745 |
| 13 | 537754 |
| 14 | 1298253 |
| 15 | 3134260 |
| 16 | 7566773 |
| 17 | 18267806 |
| 18 | 44102385 |
| 19 | 106472576 |
| 20 | 257047537 |
| 21 | 620567650 |
| 22 | 1498182837 |
| 23 | 3616933324 |
| 24 | 8732049485 |
| 25 | 21081032294 |
| 26 | 50894114073 |