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A281596 as a simple table

n a(n)
0 0
1 0
2 1
3 6
4 55
5 660
6 9751
7 170898
8 3463615
9 79669320
10 2050086511
11 58346365110
12 1819621847407
13 61705703989020
14 2260586259354151
15 88971796139662842
16 3743940350046570751
17 167735288431662235920
18 7971302827015366403551
19 400510700317394780627934
20 21212944650652080893863087

[0,0,1,6,55,660,9751,170898,3463615,79669320,
 2050086511,58346365110,1819621847407,
 61705703989020,2260586259354151,88971796139662842,
 3743940350046570751,167735288431662235920,
 7971302827015366403551,400510700317394780627934,
 21212944650652080893863087]

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Last modified April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)