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A278026
as a simple table
n
a(n)
0
0
1
0
2
1
3
1
4
4
5
14
6
49
7
174
8
626
9
2276
10
8346
11
30821
12
114495
13
427481
[0,0,1,1,4,14,49,174,626,2276,8346,30821,114495, 427481]
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Last modified June 11 19:50 EDT 2024. Contains 373317 sequences. (Running on oeis4.)