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A019106 as a simple table

n a(n)
3 0
4 0
5 5
6 0
7 2
8 33
9 23
10 73
11 339
12 501
13 1272
14 4159
15 8796
16 21947
17 60807
18 146525
19 370649
20 977008
21 2488685
22 6451966
23 16969213
24 44362809
25 116868000
26 309416308
27 819440761
28 2179359337
29 5810665522
30 15513625276

[0,0,5,0,2,33,23,73,339,501,1272,4159,8796,21947,
 60807,146525,370649,977008,2488685,6451966,
 16969213,44362809,116868000,309416308,819440761,
 2179359337,5810665522,15513625276]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)