A215775 - OEIS

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A215775 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	10
11	13
12	17
13	18
14	24
15	28
16	30
17	39
18	51
19	149
20	197
21	355
22	444
23	623
24	908
25	1084
26	1125
27	1577
28	1748
29	2584
30	2628
31	2702
32	3973
33	5046
34	6048
35	6058
36	7123
37	9706
38	14223
39	17775

[0,1,2,3,4,5,6,7,8,10,13,17,18,24,28,30,39,51,149, 197,355,444,623,908,1084,1125,1577,1748,2584,2628, 2702,3973,5046,6048,6058,7123,9706,14223,17775]