n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 7 |
3 | 42 |
4 | 295 |
5 | 2675 |
6 | 31122 |
7 | 447188 |
8 | 7661370 |
9 | 152415765 |
10 | 3452271185 |
11 | 87693358654 |
12 | 2468455488681 |
13 | 76256200336407 |
14 | 2564715882332660 |
15 | 93281313241869480 |
16 | 3647955866777821668 |
17 | 152635100350763019705 |
18 | 6803550294289868214315 |
19 | 321844061970058547739730 |
20 | 16103630469426364324556635 |
[0,1,7,42,295,2675,31122,447188,7661370,152415765, 3452271185,87693358654,2468455488681, 76256200336407,2564715882332660,93281313241869480, 3647955866777821668,152635100350763019705, 6803550294289868214315,321844061970058547739730, 16103630469426364324556635] |