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A063768 as a simple table

n a(n)
0 2
1 11
2 67
3 521
4 4099
5 32771
6 262147
7 2097169
8 16777259
9 134217757
10 1073741827
11 8589934609
12 68719476767
13 549755813911
14 4398046511119
15 35184372088891
16 281474976710677
17 2251799813685269
18 18014398509482143
19 144115188075855881

[2,11,67,521,4099,32771,262147,2097169,16777259,
 134217757,1073741827,8589934609,68719476767,
 549755813911,4398046511119,35184372088891,
 281474976710677,2251799813685269,
 18014398509482143,144115188075855881]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)