A294634 - OEIS

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A294634 as a simple table

n	a(n)
1	0
2	2
3	3
4	5
5	6
6	9
7	30
8	38
9	66
10	110
11	135
12	168
13	470
14	477
15	654
16	1635
17	1875
18	2823
19	12162
20	23984
21	32859
22	33609
23	34814
24	39162
25	58748
26	82250
27	161816

[0,2,3,5,6,9,30,38,66,110,135,168,470,477,654, 1635,1875,2823,12162,23984,32859,33609,34814, 39162,58748,82250,161816]