A213671 - OEIS

A213671 as a simple table

n	a(n)
1	1
2	1
3	1
4	7
5	11
6	1
7	11
8	29
9	37
10	23
11	7
12	67
13	79
14	23
15	53
16	121
17	137
18	77
19	43
20	191
21	211
22	29
23	127
24	277
25	301
26	163
27	11
28	379
29	407
30	109
31	233
32	497
33	529
34	281
35	149
36	631
37	667
38	11
39	371
40	781
41	821
42	431
43	113
44	947
45	991
46	259
47	541
48	1129
49	1177
50	613
51	319
52	1327
53	1379
54	179

[1,1,1,7,11,1,11,29,37,23,7,67,79,23,53,121,137, 77,43,191,211,29,127,277,301,163,11,379,407,109, 233,497,529,281,149,631,667,11,371,781,821,431, 113,947,991,259,541,1129,1177,613,319,1327,1379, 179]