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A163799
as a simple table
n
a(n)
1
15
2
145
3
149
4
243
5
259
6
449
7
1921
8
2787
9
15871
10
18563
11
26459
12
191515
13
283269
14
741343
15
844805
[15,145,149,243,259,449,1921,2787,15871,18563, 26459,191515,283269,741343,844805]