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 | 5 |
2 | 30 |
3 | 185 |
4 | 1180 |
5 | 7845 |
6 | 54850 |
7 | 407225 |
8 | 3241200 |
9 | 27882725 |
10 | 260710150 |
11 | 2655929625 |
12 | 29459366500 |
13 | 354733101125 |
14 | 4617633830250 |
15 | 64677391201625 |
16 | 970313455915000 |
17 | 15525778234093125 |
18 | 263942044676848750 |
19 | 4750975877669605625 |
20 | 90268637043154147500 |