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A327477 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 6
5 12
6 26
7 54
8 112
9 226
10 460
11 930
12 1876
13 3780
14 7606
15 15288
16 30720
17 61680
18 123786
19 248346
20 498072
21 998636
22 2001826
23 4011942
24 8039072
25 16106124
26 32263876
27 64623330
28 129424236
29 259179060
30 518975176
31 1039104990
32 2080374784
33 4164816708
34 8337289456

[0,0,1,2,6,12,26,54,112,226,460,930,1876,3780,
 7606,15288,30720,61680,123786,248346,498072,
 998636,2001826,4011942,8039072,16106124,32263876,
 64623330,129424236,259179060,518975176,1039104990,
 2080374784,4164816708,8337289456]

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Last modified June 7 17:32 EDT 2024. Contains 373203 sequences. (Running on oeis4.)