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A247938 as a simple table

n a(n)
1 4
2 8
3 32
4 128
5 2160
6 8192
7 131072
8 524288
9 8567136
10 539922240
11 2147483648
12 138055271872
13 2199187780272
14 8817412930560
15 140828559963840
16 9008745449302368
17 576463955735383776
18 2305843009213693952
19 147573953351708377936
20 2361193635521975063040 

[4,8,32,128,2160,8192,131072,524288,8567136,
 539922240,2147483648,138055271872,2199187780272,
 8817412930560,140828559963840,9008745449302368,
 576463955735383776,2305843009213693952,
 147573953351708377936,2361193635521975063040]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)