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A273639 as a simple table

n a(n)
0 1
1 8
2 44
3 205
4 901
5 3633
6 14677
7 59125
8 237109
9 951249
10 3804061
11 15204521
12 60841793
13 243398773
14 973620069
15 3894638321 

[1,8,44,205,901,3633,14677,59125,237109,951249,
 3804061,15204521,60841793,243398773,973620069,
 3894638321]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)