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A031367 as a simple table

n a(n)
1 1
2 0
3 3
4 4
5 10
6 12
7 28
8 40
9 72
10 110
11 198
12 300
13 520
14 812
15 1350
16 2160
17 3570
18 5688
19 9348
20 15000
21 24444
22 39402
23 64078
24 103320
25 167750
26 270920
27 439128
28 709800
29 1149850
30 1859010
31 3010348
32 4868640
33 7880994
34 12748470
35 20633200
36 33379200
37 54018520
38 87394452
39 141421800

[1,0,3,4,10,12,28,40,72,110,198,300,520,812,1350,
 2160,3570,5688,9348,15000,24444,39402,64078,
 103320,167750,270920,439128,709800,1149850,
 1859010,3010348,4868640,7880994,12748470,20633200,
 33379200,54018520,87394452,141421800]

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Last modified April 25 13:34 EDT 2024. Contains 371971 sequences. (Running on oeis4.)