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) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 15 |
5 | 45 |
6 | 105 |
7 | 315 |
8 | 1155 |
9 | 26325 |
10 | 33705 |
11 | 449295 |
12 | 1805475 |
13 | 10240425 |
14 | 13800465 |
15 | 16029405 |
16 | 16286445 |
17 | 21003885 |
18 | 32062485 |
19 | 132701205 |
20 | 594397485 |
21 | 815634435 |
22 | 29169504045 |
23 | 40833636525 |
24 | 295612416135 |
25 | 636988686495 |
26 | 660733931655 |
27 | 724387847085 |
28 | 740099543085 |
29 | 1707894294975 |
30 | 4439852974095 |
31 | 7454198513685 |