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A139456
as a simple table
n
a(n)
1
5
2
9
3
10
4
11
5
16
6
17
7
20
8
59
9
96
10
98
11
318
12
387
13
938
14
978
15
1764
16
8298
17
10632
18
11796
19
19982
[5,9,10,11,16,17,20,59,96,98,318,387,938,978,1764, 8298,10632,11796,19982]