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 | -2 |
1 | -1 |
2 | 177145 |
3 | 1977326741 |
4 | 8649755859373 |
5 | 25408476896404829 |
6 | 62050608388552823485 |
7 | 138624799340320978519421 |
8 | 296443535898840969287109373 |
9 | 620340165367069806017523226109 |
10 | 1284197945649659948122178573052925 |