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 | 1156 |
| 2 | 12825 |
| 3 | 97154 |
| 4 | 519071 |
| 5 | 6906102 |
| 6 | 19543486 |
| 7 | 49150839 |
| 8 | 238045722 |
| 9 | 889575240 |
| 10 | 4600759094 |
| 11 | 7439557452 |
| 12 | 17980383618 |
| 13 | 82034207430 |
| 14 | 159213167411 |
| 15 | 293713437009 |
| 16 | 518754968088 |
| 17 | 882274298862 |
| 18 | 1136129443366 |
| 19 | 3612770425152 |
| 20 | 8189556710532 |
| 21 | 11973138177210 |
| 22 | 24340206797502 |