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A138104 formatted as a simple table:

n a(n)
1 15
2 63
3 511
4 1023
5 16383
6 32767
7 2097151
8 4194303
9 33554431
10 67108863
11 8589934591
12 17179869183
13 34359738367
14 274877906943
15 549755813887
16 70368744177663
17 562949953421311
18 2251799813685247
19 36028797018963967

[15,63,511,1023,16383,32767,2097151,4194303,
 33554431,67108863,8589934591,17179869183,
 34359738367,274877906943,549755813887,
 70368744177663,562949953421311,2251799813685247,
 36028797018963967]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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