A131248 - cp's OEIS frontend

A131248 2*A004070 - A000012.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	3
8	5
9	1
10	1
11	3
12	7
13	7
14	1
15	1
16	3
17	7
18	13
19	9
20	1
21	1
22	3
23	7
24	15
25	21
26	11
27	1
28	1
29	3
30	7
31	15
32	29
33	31
34	13
35	1
36	1
37	3
38	7
39	15
40	31
41	51
42	43
43	15
44	1
45	1
46	3
47	7
48	15
49	31
50	61
51	83
52	57
53	17
54	1

[1, 1, 1, 1, 3, 1, 1, 3, 5, 1, 1, 3, 7, 7, 1, 1, 3, 7, 13, 9, 1, 1, 3, 7, 15, 21, 11, 1, 1, 3, 7, 15, 29, 31, 13, 1, 1, 3, 7, 15, 31, 51, 43, 15, 1, 1, 3, 7, 15, 31, 61, 83, 57, 17, 1]

cp's OEIS Frontend

A131248 2*A004070 - A000012.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	3
8	5
9	1
10	1
11	3
12	7
13	7
14	1
15	1
16	3
17	7
18	13
19	9
20	1
21	1
22	3
23	7
24	15
25	21
26	11
27	1
28	1
29	3
30	7
31	15
32	29
33	31
34	13
35	1
36	1
37	3
38	7
39	15
40	31
41	51
42	43
43	15
44	1
45	1
46	3
47	7
48	15
49	31
50	61
51	83
52	57
53	17
54	1

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	3
8	5
9	1
10	1
11	3
12	7
13	7
14	1
15	1
16	3
17	7
18	13
19	9
20	1
21	1
22	3
23	7
24	15
25	21
26	11
27	1
28	1
29	3
30	7
31	15
32	29
33	31
34	13
35	1
36	1
37	3
38	7
39	15
40	31
41	51
42	43
43	15
44	1
45	1
46	3
47	7
48	15
49	31
50	61
51	83
52	57
53	17
54	1

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	3
8	5
9	1
10	1
11	3
12	7
13	7
14	1
15	1
16	3
17	7
18	13
19	9
20	1
21	1
22	3
23	7
24	15
25	21
26	11
27	1
28	1
29	3
30	7
31	15
32	29
33	31
34	13
35	1
36	1
37	3
38	7
39	15
40	31
41	51
42	43
43	15
44	1
45	1
46	3
47	7
48	15
49	31
50	61
51	83
52	57
53	17
54	1