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A058772
as a simple table
n
a(n)
1
2
2
3
3
4
4
19
5
25
6
61
7
100
8
143
9
144
10
159
11
304
12
1973
13
4433
14
4921
15
6076
16
12876
17
16895
18
30180
[2,3,4,19,25,61,100,143,144,159,304,1973,4433, 4921,6076,12876,16895,30180]