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A272288 as a simple table

n a(n)
0 1
1 5
2 28
3 145
4 656
5 2745
6 11057
7 46501
8 184304
9 739265
10 2966045
11 11856113
12 47425893
13 189695593
14 758869453
15 3035767485 

[1,5,28,145,656,2745,11057,46501,184304,739265,
 2966045,11856113,47425893,189695593,758869453,
 3035767485]

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Last modified April 19 16:08 EDT 2024. Contains 371794 sequences. (Running on oeis4.)