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 | 4 |
2 | 40 |
3 | 396 |
4 | 3920 |
5 | 38804 |
6 | 384120 |
7 | 3802396 |
8 | 37639840 |
9 | 372596004 |
10 | 3688320200 |
11 | 36510605996 |
12 | 361417739760 |
13 | 3577666791604 |
14 | 35415250176280 |
15 | 350574834971196 |
16 | 3470333099535680 |
17 | 34352756160385604 |
18 | 340057228504320360 |
19 | 3366219528882817996 |
20 | 33322138060323859600 |