n | a(n) |
---|---|
2 | 2 |
3 | 6 |
4 | 22 |
5 | 101 |
6 | 546 |
7 | 3502 |
8 | 25586 |
9 | 214062 |
10 | 1987516 |
11 | 20599076 |
12 | 232482372 |
13 | 2876191276 |
14 | 38228128472 |
15 | 549706132536 |
16 | 8408517839416 |
17 | 137788390312712 |
18 | 2383879842920976 |
19 | 43846851982943152 |
20 | 846470648320690736 |
21 | 17266870434276713616 |
22 | 367937854493289655072 |
[2,6,22,101,546,3502,25586,214062,1987516, 20599076,232482372,2876191276,38228128472, 549706132536,8408517839416,137788390312712, 2383879842920976,43846851982943152, 846470648320690736,17266870434276713616, 367937854493289655072] |