A151778 - OEIS

A151778 as a simple table

n	a(n)
2	1
3	1
4	7
5	1
6	7
7	15
8	35
9	1
10	7
11	15
12	47
13	45
14	35
15	93
16	169
17	9
18	7
19	15
20	47
21	45
22	47
23	125
24	273
25	153
26	35
27	93
28	245
29	365
30	227
31	521
32	851
33	107
34	31
35	35
36	51
37	45
38	47
39	125
40	273
41	153
42	47
43	125
44	325
45	497
46	403
47	713
48	1383
49	643
50	75
51	117
52	285
53	413
54	423
55	825
56	1871
57	1627
58	535
59	713
60	1415
61	2379
62	1655
63	2765
64	4037
65	723
66	275
67	255
68	139
69	125

[1,1,7,1,7,15,35,1,7,15,47,45,35,93,169,9,7,15,47, 45,47,125,273,153,35,93,245,365,227,521,851,107, 31,35,51,45,47,125,273,153,47,125,325,497,403,713, 1383,643,75,117,285,413,423,825,1871,1627,535,713, 1415,2379,1655,2765,4037,723,275,255,139,125]