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A111435 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 1
7 1
8 3
9 21
10 987
11 2178309
12 6557470319842
13 59425114757512643212875125
14 3016128079338728432528443992613633888712980904400501

[0,0,0,0,0,1,1,1,3,21,987,2178309,6557470319842,
 59425114757512643212875125,
 30161280793387284325284439926136338887129809044005\
 01]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)