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 | 10667829248 |
| 2 | 14322877568 |
| 3 | 25929352448 |
| 4 | 26967189248 |
| 5 | 31315096448 |
| 6 | 32186016224 |
| 7 | 35337613310 |
| 8 | 36312573374 |
| 9 | 41326711424 |
| 10 | 53162460350 |
| 11 | 69405075584 |
| 12 | 71840196350 |
| 13 | 72806666750 |
| 14 | 73217757248 |
| 15 | 83103523424 |
| 16 | 106184935934 |
| 17 | 109302242048 |
| 18 | 111640866974 |
| 19 | 115294917374 |
| 20 | 116768901248 |