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A056879 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 2
6 6
7 9
8 23
9 37
10 87
11 138
12 313
13 510
14 1130
15 1859
16 4070
17 6786
18 14750
19 24811
20 53715
21 91096
22 196769
23 335815
24 724470
25 1243175
26 2680212
27 4619999
28 9957652

[0,0,0,1,2,6,9,23,37,87,138,313,510,1130,1859,
 4070,6786,14750,24811,53715,91096,196769,335815,
 724470,1243175,2680212,4619999,9957652]

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Last modified May 18 12:53 EDT 2021. Contains 343995 sequences. (Running on oeis4.)