n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 16 |
3 | 95 |
4 | 591 |
5 | 3780 |
6 | 24620 |
7 | 162423 |
8 | 1081780 |
9 | 7258053 |
10 | 48982176 |
11 | 332140328 |
12 | 2261099491 |
13 | 15444137880 |
14 | 105789736896 |
15 | 726426836103 |
16 | 4998885106599 |
17 | 34464824536500 |
18 | 238017084356680 |
19 | 1646234203000485 |
20 | 11401464090042224 |
21 | 79060352485691272 |
22 | 548829398923188036 |
[1,3,16,95,591,3780,24620,162423,1081780,7258053, 48982176,332140328,2261099491,15444137880, 105789736896,726426836103,4998885106599, 34464824536500,238017084356680,1646234203000485, 11401464090042224,79060352485691272, 548829398923188036] |