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A173010 as a simple table

n a(n)
1 0
2 0
3 1
4 3
5 7
6 14
7 30
8 62
9 126
10 253
11 509
12 1021
13 2045
14 4092
15 8188
16 16380
17 32764
18 65531
19 131067
20 262139
21 524283
22 1048570
23 2097146
24 4194298
25 8388602
26 16777209
27 33554425
28 67108857
29 134217721
30 268435448
31 536870904
32 1073741816
33 2147483640

[0,0,1,3,7,14,30,62,126,253,509,1021,2045,4092,
 8188,16380,32764,65531,131067,262139,524283,
 1048570,2097146,4194298,8388602,16777209,33554425,
 67108857,134217721,268435448,536870904,1073741816,
 2147483640]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)