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 | 3521210 |
| 2 | 6178458 |
| 3 | 13220900 |
| 4 | 15878148 |
| 5 | 22920590 |
| 6 | 25577838 |
| 7 | 32620280 |
| 8 | 35277528 |
| 9 | 42319970 |
| 10 | 44977218 |
| 11 | 52019660 |
| 12 | 54676908 |
| 13 | 61719350 |
| 14 | 64376598 |
| 15 | 71419040 |
| 16 | 74076288 |
| 17 | 81118730 |
| 18 | 83775978 |
| 19 | 90818420 |
| 20 | 93475668 |
| 21 | 100518110 |
| 22 | 103175358 |
| 23 | 110217800 |
| 24 | 112875048 |
| 25 | 119917490 |