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A259863 as a simple table

n a(n)
1 1
2 1
3 0
4 2
5 0
6 0
7 0
8 4
9 9
10 5
11 0
12 0
13 0
14 7
15 15
16 16
17 34
18 72
19 133
20 250
21 399
22 572
23 828
24 1176
25 1700
26 2509
27 3456
28 4494
29 5887
30 7980
31 11625
32 18064
33 28710
34 46665
35 77070
36 127187
37 209300
38 341674
39 550078
40 873272

[1,1,0,2,0,0,0,4,9,5,0,0,0,7,15,16,34,72,133,250,
 399,572,828,1176,1700,2509,3456,4494,5887,7980,
 11625,18064,28710,46665,77070,127187,209300,
 341674,550078,873272]

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Last modified May 19 13:16 EDT 2024. Contains 372694 sequences. (Running on oeis4.)