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A072762 as a simple table

n a(n)
1 0
2 1
3 3
4 6
5 13
6 26
7 53
8 106
9 212
10 424
11 849
12 1698
13 3397
14 6794
15 13588
16 27176
17 54353
18 108706
19 217413
20 434826
21 869652
22 1739304
23 3478609
24 6957218
25 13914436
26 27828872
27 55657744
28 111315488
29 222630977
30 445261954
31 890523909

[0,1,3,6,13,26,53,106,212,424,849,1698,3397,6794,
 13588,27176,54353,108706,217413,434826,869652,
 1739304,3478609,6957218,13914436,27828872,
 55657744,111315488,222630977,445261954,890523909]

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Last modified April 19 10:27 EDT 2014. Contains 240747 sequences.