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 | 3 |
| 2 | 18 |
| 3 | 116 |
| 4 | 395 |
| 5 | 989 |
| 6 | 2068 |
| 7 | 3838 |
| 8 | 6541 |
| 9 | 10455 |
| 10 | 15894 |
| 11 | 23208 |
| 12 | 32783 |
| 13 | 45041 |
| 14 | 60440 |
| 15 | 79474 |
| 16 | 102673 |
| 17 | 130603 |
| 18 | 163866 |
| 19 | 203100 |
| 20 | 248979 |
| 21 | 302213 |
| 22 | 363548 |
| 23 | 433766 |
| 24 | 513685 |
| 25 | 604159 |
| 26 | 706078 |
| 27 | 820368 |
| 28 | 947991 |
| 29 | 1089945 |
| 30 | 1247264 |
| 31 | 1421018 |
| 32 | 1612313 |
| 33 | 1822291 |