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A251766 as a simple table

n a(n)
0 0
1 1
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 2
12 3
13 6
14 12
15 24
16 48
17 96
18 192
19 384
20 768
21 1535
22 3068
23 6133
24 12260
25 24508
26 48992
27 97936
28 195776
29 391360
30 782336
31 1563904
32 3126273
33 6249478
34 12492823
35 24973386
36 49922264
37 99795536
38 199493136
39 398790496
40 797189632
41 1593596928

[0,1,0,0,0,0,0,0,0,0,1,2,3,6,12,24,48,96,192,384,
 768,1535,3068,6133,12260,24508,48992,97936,195776,
 391360,782336,1563904,3126273,6249478,12492823,
 24973386,49922264,99795536,199493136,398790496,
 797189632,1593596928]

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Last modified April 23 02:09 EDT 2024. Contains 371906 sequences. (Running on oeis4.)