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 | 823543 |
| 1 | 410338673 |
| 2 | 10460353203 |
| 3 | 94931877133 |
| 4 | 506623120463 |
| 5 | 1954897493193 |
| 6 | 6060711605323 |
| 7 | 16048523266853 |
| 8 | 37725479487783 |
| 9 | 80798284478113 |
| 10 | 160578147647843 |
| 11 | 300124211606973 |
| 12 | 532875860165503 |