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A183981 as a simple table

n a(n)
1 15
2 17
3 20
4 26
5 36
6 56
7 92
8 164
9 300
10 572
11 1100
12 2156
13 4236
14 8396
15 16652
16 33164
17 66060
18 131852
19 263180
20 525836
21 1050636
22 2100236
23 4198412
24 8394764
25 16785420
26 33566732
27 67125260
28 134242316
29 268468236
30 536920076
31 1073807372
32 2147581964
33 4295098380

[15,17,20,26,36,56,92,164,300,572,1100,2156,4236,
 8396,16652,33164,66060,131852,263180,525836,
 1050636,2100236,4198412,8394764,16785420,33566732,
 67125260,134242316,268468236,536920076,1073807372,
 2147581964,4295098380]

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Last modified April 24 07:06 EDT 2024. Contains 371920 sequences. (Running on oeis4.)