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A156449 as a simple table

n a(n)
1 1
2 2
3 4
4 28
5 68
6 788
7 2096
8 74764
9 297215
10 56568904
11 378230514
12 110049447136
13 1117730631388
14 399699792848864
15 6285859127170900
16 2788382742936560544 

[1,2,4,28,68,788,2096,74764,297215,56568904,
 378230514,110049447136,1117730631388,
 399699792848864,6285859127170900,
 2788382742936560544]

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Last modified July 16 12:51 EDT 2024. Contains 374349 sequences. (Running on oeis4.)