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A283075
as a simple table
n
a(n)
1
2
2
5
3
11
4
23
5
48
6
101
7
218
8
473
9
1044
10
2284
11
5011
12
10979
13
23954
[2,5,11,23,48,101,218,473,1044,2284,5011,10979, 23954]