n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 63 |
4 | 536 |
5 | 5307 |
6 | 60389 |
7 | 775988 |
8 | 11062391 |
9 | 172638727 |
10 | 2921519374 |
11 | 53221709973 |
12 | 1037320865141 |
13 | 21517178350762 |
14 | 472862758184789 |
15 | 10966587174511443 |
16 | 267502464814857936 |
17 | 6842498829509972687 |
18 | 183057455239626138009 |
19 | 5110016898453125496548 |
[1,2,9,63,536,5307,60389,775988,11062391, 172638727,2921519374,53221709973,1037320865141, 21517178350762,472862758184789,10966587174511443, 267502464814857936,6842498829509972687, 183057455239626138009,5110016898453125496548] |