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 | 515486946529943 |
| 2 | 546012967024913 |
| 3 | 576538987519883 |
| 4 | 607065008014853 |
| 5 | 637591028509823 |
| 6 | 668117049004793 |
| 7 | 698643069499763 |
| 8 | 729169089994733 |
| 9 | 759695110489703 |
| 10 | 790221130984673 |
| 11 | 820747151479643 |
| 12 | 851273171974613 |
| 13 | 881799192469583 |
| 14 | 912325212964553 |
| 15 | 942851233459523 |