A257499 - OEIS

A257499 as a simple table

n	a(n)
1	1
2	7
3	5
4	3
5	15
6	9
7	27
8	19
9	23
10	13
11	11
12	59
13	35
14	31
15	17
16	107
17	75
18	91
19	51
20	39
21	21
22	43
23	235
24	139
25	123
26	67
27	47
28	25
29	427
30	299
31	363
32	203
33	155
34	83
35	55
36	29
37	171
38	939
39	555
40	491
41	267
42	187
43	99
44	63
45	33
46	1707
47	1195
48	1451
49	811
50	619
51	331
52	219
53	115
54	71
55	37

[1,7,5,3,15,9,27,19,23,13,11,59,35,31,17,107,75, 91,51,39,21,43,235,139,123,67,47,25,427,299,363, 203,155,83,55,29,171,939,555,491,267,187,99,63,33, 1707,1195,1451,811,619,331,219,115,71,37]