A158320 - OEIS

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A158320 as a simple table

n	a(n)
1	0
2	4
3	18
4	4
5	258
6	26
7	38
8	344
9	513
10	10
11	4
12	14642
13	14
14	14
15	15
16	16
17	18
18	18
19	20
20	4
21	160002
22	4
23	234257
24	530
25	4
26	390626
27	4
28	531442
29	30
30	4
31	810001
32	4
33	1048577
34	4
35	1336338
36	36
37	46657
38	1874162
39	39
40	59320

[0,4,18,4,258,26,38,344,513,10,4,14642,14,14,15, 16,18,18,20,4,160002,4,234257,530,4,390626,4, 531442,30,4,810001,4,1048577,4,1336338,36,46657, 1874162,39,59320]