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 | 1688311 |
| 2 | 1410743 |
| 3 | 1168619 |
| 4 | 958807 |
| 5 | 778319 |
| 6 | 624311 |
| 7 | 494083 |
| 8 | 385079 |
| 9 | 294887 |
| 10 | 221239 |
| 11 | 162011 |
| 12 | 115223 |
| 13 | 79039 |
| 14 | 51767 |
| 15 | 31859 |
| 16 | 17911 |
| 17 | 8663 |
| 18 | 2999 |
| 19 | -53 |
| 20 | -1321 |
| 21 | -1489 |
| 22 | -1097 |
| 23 | -541 |
| 24 | -73 |
| 25 | 199 |
| 26 | 311 |
| 27 | 443 |
| 28 | 919 |
| 29 | 2207 |
| 30 | 4919 |
| 31 | 9811 |
| 32 | 17783 |
| 33 | 29879 |
| 34 | 47287 |
| 35 | 71339 |
| 36 | 103511 |
| 37 | 145423 |
| 38 | 198839 |