A056658 - OEIS

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A056658 as a simple table

n	a(n)
1	1
2	2
3	3
4	9
5	17
6	20
7	21
8	27
9	42
10	65
11	120
12	132
13	177
14	240
15	453
16	552
17	1599
18	2174
19	2977
20	3648
21	7707
22	8315
23	10391
24	12457
25	21056
26	26222
27	48296
28	64040
29	84903
30	92975
31	95071

[1,2,3,9,17,20,21,27,42,65,120,132,177,240,453, 552,1599,2174,2977,3648,7707,8315,10391,12457, 21056,26222,48296,64040,84903,92975,95071]