A375160 - OEIS

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A375160 as a simple table

n	a(n)
2	4
3	8
4	9
5	16
6	27
7	33
8	32
9	135
10	170
11	-1
12	64
13	944
14	1274
15	603
16	-1
17	128
18	5264
19	15470
20	4023
21	602
22	-1
23	256
24	29888
25	33614
26	57967
27	12122
28	2522
29	-1
30	512
31	50624
32	3145310
33	8706123
34	632148
35	204323
36	211673
37	-1

[4,8,9,16,27,33,32,135,170,-1,64,944,1274,603,-1, 128,5264,15470,4023,602,-1,256,29888,33614,57967, 12122,2522,-1,512,50624,3145310,8706123,632148, 204323,211673,-1]