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A281198
as a simple table
n
a(n)
1
0
2
2
3
56
4
270
5
1141
6
4248
7
14375
8
45614
9
138676
10
409976
11
1190740
12
3421202
13
9767347
14
27782656
15
78849645
[0,2,56,270,1141,4248,14375,45614,138676,409976, 1190740,3421202,9767347,27782656,78849645]
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Last modified September 17 05:28 EDT 2024. Contains 375985 sequences. (Running on oeis4.)
