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 | 0 |
1 | 55 |
2 | 26565 |
3 | 12804330 |
4 | 6171660550 |
5 | 2974727580825 |
6 | 1433812522297155 |
7 | 691094661019647940 |
8 | 333106192798948009980 |
9 | 160556493834431921162475 |
10 | 77387896922003387052303025 |
11 | 37300805759911798127288895630 |