n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 6 |
4 | 29 |
5 | 162 |
6 | 978 |
7 | 6156 |
8 | 40061 |
9 | 267338 |
10 | 1819238 |
11 | 12576692 |
12 | 88079378 |
13 | 623581332 |
14 | 4455663876 |
15 | 32090099352 |
16 | 232711721757 |
17 | 1697799727066 |
18 | 12452943237342 |
19 | 91774314536100 |
20 | 679234371006982 |
21 | 5046438870909244 |
22 | 37623611703611452 |
23 | 281391143518722728 |
[1,1,6,29,162,978,6156,40061,267338,1819238, 12576692,88079378,623581332,4455663876, 32090099352,232711721757,1697799727066, 12452943237342,91774314536100,679234371006982, 5046438870909244,37623611703611452, 281391143518722728] |