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 | 408408 |
2 | 802241960520 |
3 | 1823169705017624880 |
4 | 4396944340992842923469640 |
5 | 10954213672604884898541157653408 |
6 | 27856219773497860095974794307896603536 |
7 | 71846723613356502547294848257330357588794200 |
8 | 187234481335648875117449455455153824826269008835400 |