A124386 - OEIS

A124386 as a simple table

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	-1
7	7
8	5
9	7
10	-3
11	11
12	-3
13	13
14	5
15	7
16	9
17	17
18	-15
19	19
20	7
21	11
22	3
23	23
24	-15
25	9
26	17
27	33
28	-3
29	29
30	-55
31	31
32	77
33	47
34	-15
35	45
36	-89
37	37
38	91
39	79
40	-45
41	41
42	-171
43	43
44	183
45	189
46	37
47	47
48	-351
49	155
50	123
51	373
52	165
53	53
54	-655
55	-471
56	533
57	553
58	191
59	59
60	-859
61	61
62	861
63	233
64	33
65	839
66	-1073
67	67
68	687
69	1761
70	-637
71	71

[1,2,3,2,5,-1,7,5,7,-3,11,-3,13,5,7,9,17,-15,19,7, 11,3,23,-15,9,17,33,-3,29,-55,31,77,47,-15,45,-89, 37,91,79,-45,41,-171,43,183,189,37,47,-351,155, 123,373,165,53,-655,-471,533,553,191,59,-859,61, 861,233,33,839,-1073,67,687,1761,-637,71]