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A109363 as a simple table

n a(n)
0 -1
1 0
2 5
3 18
4 47
5 108
6 233
7 486
8 995
9 2016
10 4061
11 8154
12 16343
13 32724
14 65489
15 131022
16 262091
17 524232
18 1048517
19 2097090
20 4194239
21 8388540
22 16777145
23 33554358
24 67108787
25 134217648
26 268435373
27 536870826
28 1073741735
29 2147483556
30 4294967201
31 8589934494
32 17179869083
33 34359738264

[-1,0,5,18,47,108,233,486,995,2016,4061,8154,
 16343,32724,65489,131022,262091,524232,1048517,
 2097090,4194239,8388540,16777145,33554358,
 67108787,134217648,268435373,536870826,1073741735,
 2147483556,4294967201,8589934494,17179869083,
 34359738264]

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Last modified December 14 00:21 EST 2017. Contains 295976 sequences.