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A264813 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 0
5 3
6 6
7 0
8 53
9 199
10 0
11 2908
12 13699
13 0
14 369985
15 2135430
16 0
17 87265700
18 611286653
19 0

[1,0,1,1,0,3,6,0,53,199,0,2908,13699,0,369985,
 2135430,0,87265700,611286653,0]

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Last modified April 26 09:24 EDT 2024. Contains 371991 sequences. (Running on oeis4.)