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) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 51 |
| 3 | 6051 |
| 4 | 76746 |
| 5 | 12926010 |
| 6 | 2372452685 |
| 7 | 93393905915739 |
| 8 | 1351877861804543 |
| 9 | 286738012677424022 |
| 10 | 62026524057807548707 |
| 11 | 3041407633778252699836049 |
| 12 | 686215566631222460001238168 |
| 13 | 35912919120400408619708285058798 |