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A078697
as a simple table
n
a(n)
0
1
1
2
2
5
3
8
4
15
5
24
6
41
7
66
8
109
9
176
10
287
11
464
12
753
13
1218
14
1973
15
3192
16
5167
17
8360
18
13529
[1,2,5,8,15,24,41,66,109,176,287,464,753,1218, 1973,3192,5167,8360,13529]