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A126085 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 9
12 53
13 251
14 1043
15 3961
16 14102
17 47816
18 156129
19 494769
20 1530583
21 4642490
22 13853571
23 40779959
24 118666510
25 341938083
26 977028128
27 2771407719
28 7811504825
29 21895173627
30 61069528116
31 169590519864
32 469117076770

[0,0,0,0,0,0,0,0,0,1,9,53,251,1043,3961,14102,
 47816,156129,494769,1530583,4642490,13853571,
 40779959,118666510,341938083,977028128,2771407719,
 7811504825,21895173627,61069528116,169590519864,
 469117076770]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)