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A110040 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 10
5 112
6 1760
7 35150
8 848932
9 24243520
10 805036704
11 30649435140
12 1322299270600
13 64008728200384
14 3447361661136640
15 205070807479444088
16 13388424264027157520
17 953966524932871436800
18 73817914562041635228928

[1,0,0,1,10,112,1760,35150,848932,24243520,
 805036704,30649435140,1322299270600,
 64008728200384,3447361661136640,
 205070807479444088,13388424264027157520,
 953966524932871436800,73817914562041635228928]

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Last modified March 23 04:46 EDT 2019. Contains 321422 sequences. (Running on oeis4.)