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A006516 as a simple table

n a(n)
0 0
1 1
2 6
3 28
4 120
5 496
6 2016
7 8128
8 32640
9 130816
10 523776
11 2096128
12 8386560
13 33550336
14 134209536
15 536854528
16 2147450880
17 8589869056
18 34359607296
19 137438691328
20 549755289600
21 2199022206976
22 8796090925056
23 35184367894528
24 140737479966720
25 562949936644096

[0,1,6,28,120,496,2016,8128,32640,130816,523776,
 2096128,8386560,33550336,134209536,536854528,
 2147450880,8589869056,34359607296,137438691328,
 549755289600,2199022206976,8796090925056,
 35184367894528,140737479966720,562949936644096]

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Last modified March 18 22:29 EDT 2024. Contains 370951 sequences. (Running on oeis4.)