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 | 53 |
| 2 | 745 |
| 3 | 9287 |
| 4 | 100362 |
| 5 | 988216 |
| 6 | 9005581 |
| 7 | 77316192 |
| 8 | 632331257 |
| 9 | 4971371594 |
| 10 | 37852928161 |
| 11 | 280870999959 |
| 12 | 2040764929737 |
| 13 | 14573664882124 |
| 14 | 102583696681074 |
| 15 | 713346304542539 |
| 16 | 4909295618862765 |
| 17 | 33487025412414016 |
| 18 | 226676629629048029 |