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 | 1447110 |
| 2 | 2623005 |
| 3 | 4095000 |
| 4 | 4339335 |
| 5 | 6975780 |
| 6 | 9080190 |
| 7 | 12382755 |
| 8 | 19455975 |
| 9 | 20322960 |
| 10 | 30020760 |
| 11 | 32261985 |
| 12 | 54202995 |
| 13 | 62014155 |
| 14 | 63196350 |
| 15 | 66383520 |
| 16 | 71369340 |
| 17 | 94571295 |
| 18 | 121012185 |
| 19 | 124225920 |
| 20 | 162780660 |
| 21 | 177109380 |
| 22 | 196068180 |
| 23 | 223888665 |
| 24 | 303047745 |
| 25 | 310143960 |