n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 11 |
6 | 56 |
7 | 267 |
8 | 1730 |
9 | 11643 |
10 | 93532 |
11 | 804563 |
12 | 7789838 |
13 | 81109107 |
14 | 923080328 |
15 | 11250876171 |
16 | 147433014058 |
17 | 2056359699659 |
18 | 30514968348500 |
19 | 479058943716579 |
20 | 7942752339181286 |
21 | 138576460230586755 |
22 | 2539126631897727808 |
23 | 48733588613803358939 |
[0,1,1,4,11,56,267,1730,11643,93532,804563, 7789838,81109107,923080328,11250876171, 147433014058,2056359699659,30514968348500, 479058943716579,7942752339181286, 138576460230586755,2539126631897727808, 48733588613803358939] |