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A223889 as a simple table

n a(n)
0 0
1 0
2 1
3 7
4 66
5 1078
6 33812
7 2124864
8 269617328
9 68809824944
10 35197776962400
11 36032789666289920
12 73789365506598519808
13 302234307608870314427904
14 2475886847109430725963593728
15 40564851077856428731075010538496 

[0,0,1,7,66,1078,33812,2124864,269617328,
 68809824944,35197776962400,36032789666289920,
 73789365506598519808,302234307608870314427904,
 2475886847109430725963593728,
 40564851077856428731075010538496]

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Last modified June 17 05:47 EDT 2024. Contains 373432 sequences. (Running on oeis4.)