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 | 4 |
| 2 | 6 |
| 3 | 8 |
| 4 | 50 |
| 5 | 74 |
| 6 | 110 |
| 7 | 170 |
| 8 | 174 |
| 9 | 890 |
| 10 | 902 |
| 11 | 1310 |
| 12 | 1434 |
| 13 | 1826 |
| 14 | 2714 |
| 15 | 4190 |
| 16 | 5030 |
| 17 | 6494 |
| 18 | 8234 |
| 19 | 8474 |
| 20 | 10142 |
| 21 | 14390 |
| 22 | 31670 |
| 23 | 32394 |
| 24 | 40514 |
| 25 | 89990 |
| 26 | 95174 |
| 27 | 101834 |
| 28 | 102554 |
| 29 | 135374 |
| 30 | 151754 |
| 31 | 173942 |
| 32 | 206054 |
| 33 | 248394 |
| 34 | 259694 |
| 35 | 288266 |
| 36 | 330614 |
| 37 | 516242 |
| 38 | 650654 |
| 39 | 780554 |
| 40 | 913994 |
| 41 | 941714 |