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A323920 as a simple table

n a(n)
1 0
2 0
3 1
4 0
5 4
6 4
7 13
8 17
9 53
10 64
11 203
12 269
13 810
14 1102
15 3321

[0,0,1,0,4,4,13,17,53,64,203,269,810,1102,3321]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)