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A140189
as a simple table
n
a(n)
0
1
1
1
2
2
3
3
4
7
5
9
6
16
7
22
8
42
9
57
10
90
11
124
12
204
13
275
14
413
15
562
16
866
17
1161
18
1685
19
2264
20
3308
21
4407
[1,1,2,3,7,9,16,22,42,57,90,124,204,275,413,562, 866,1161,1685,2264,3308,4407]