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A331393 as a simple table

n a(n)
1 0
2 2
3 6
4 16
5 36
6 82
7 176
8 372
9 768
10 1582
11 3224
12 6534
13 13166
14 26504
15 53244
16 106824
17 214060
18 428764
19 858400
20 1718056
21 3437734
22 6877896
23 13759154
24 27523128
25 55052582
26 110114618
27 220242288
28 440503282
29 881031714
30 1762100362
31 3524251618
32 7048576724
33 14097253490

[0,2,6,16,36,82,176,372,768,1582,3224,6534,13166,
 26504,53244,106824,214060,428764,858400,1718056,
 3437734,6877896,13759154,27523128,55052582,
 110114618,220242288,440503282,881031714,
 1762100362,3524251618,7048576724,14097253490]

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Last modified June 12 06:07 EDT 2024. Contains 373322 sequences. (Running on oeis4.)