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A270291 as a simple table

n a(n)
0 1
1 5
2 37
3 177
4 785
5 3345
6 14113
7 57697
8 231809
9 932161
10 3730689
11 14942145
12 59816609
13 239315361
14 957265025
15 3829309985

[1,5,37,177,785,3345,14113,57697,231809,932161,
 3730689,14942145,59816609,239315361,957265025,
 3829309985]

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Last modified August 11 08:53 EDT 2024. Contains 375059 sequences. (Running on oeis4.)