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A237560 as a simple table

n a(n)
1 81
2 316
3 1256
4 4984
5 19900
6 78144
7 311512
8 1227648
9 4896848
10 19273664
11 76861056
12 302658560
13 1207072128
14 4752337152
15 18952790656
16 74623190528
17 297608324608
18 1171752619008
19 4673101527552
20 18399231225856
21 73378645568512

[81,316,1256,4984,19900,78144,311512,1227648,
 4896848,19273664,76861056,302658560,1207072128,
 4752337152,18952790656,74623190528,297608324608,
 1171752619008,4673101527552,18399231225856,
 73378645568512]

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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)