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A131283 as a simple table

n a(n)
1 0
2 0
3 1
4 5
5 16
6 38
7 85
8 185
9 396
10 838
11 1748
12 3609
13 7400
14 15097
15 30681
16 62154
17 125588
18 253246
19 509850
20 1025153
21 2059159
22 4132679
23 8288643
24 16615051
25 33291367
26 66682128
27 133525499
28 267312553
29 535049374
30 1070786975
31 2142690382

[0,0,1,5,16,38,85,185,396,838,1748,3609,7400,
 15097,30681,62154,125588,253246,509850,1025153,
 2059159,4132679,8288643,16615051,33291367,
 66682128,133525499,267312553,535049374,1070786975,
 2142690382]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)