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A260591 as a simple table

n a(n)
1 0
2 1
3 0
4 1
5 2
6 0
7 3
8 7
9 0
10 12
11 0
12 30
13 85
14 0
15 173
16 476
17 0
18 961
19 0
20 2652
21 8045
22 0
23 17637
24 51033
25 0
26 108950
27 312455
28 0
29 663535
30 0

[0,1,0,1,2,0,3,7,0,12,0,30,85,0,173,476,0,961,0,
 2652,8045,0,17637,51033,0,108950,312455,0,663535,
 0]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)