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A034785 as a simple table

n a(n)
1 4
2 8
3 32
4 128
5 2048
6 8192
7 131072
8 524288
9 8388608
10 536870912
11 2147483648
12 137438953472
13 2199023255552
14 8796093022208
15 140737488355328
16 9007199254740992
17 576460752303423488
18 2305843009213693952

[4,8,32,128,2048,8192,131072,524288,8388608,
 536870912,2147483648,137438953472,2199023255552,
 8796093022208,140737488355328,9007199254740992,
 576460752303423488,2305843009213693952]

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Last modified December 11 04:29 EST 2018. Contains 318049 sequences. (Running on oeis4.)