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A186649
as a simple table
n
a(n)
1
1
2
5
3
14
4
43
5
143
6
460
7
1467
8
4613
9
14629
10
46341
11
146545
12
463344
13
1465658
14
4634967
15
14657277
16
46350371
[1,5,14,43,143,460,1467,4613,14629,46341,146545, 463344,1465658,4634967,14657277,46350371]