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 | 1 |
2 | 4 |
3 | 21 |
4 | 146 |
5 | 1240 |
6 | 12479 |
7 | 144970 |
8 | 1908682 |
9 | 28079550 |
10 | 456458832 |
11 | 8125189974 |
12 | 157190542607 |
13 | 3284222304545 |
14 | 73705849847317 |
15 | 1768479436456975 |
16 | 45180024672023814 |
17 | 1224529894981726614 |
18 | 35096983241255523572 |
19 | 1060703070504583747430 |
20 | 33714045363258013414692 |