A131768 - cp's OEIS frontend

A131768 2(A007318 A097807) - A000012.

n	a(n)
0	1
1	3
2	1
3	5
4	5
5	1
6	7
7	11
8	7
9	1
10	9
11	19
12	19
13	9
14	1
15	11
16	29
17	39
18	29
19	11
20	1
21	13
22	41
23	69
24	69
25	41
26	13
27	1
28	15
29	55
30	111
31	139
32	111
33	55
34	15
35	1
36	17
37	71
38	167
39	251
40	251
41	167
42	71
43	17
44	1
45	19
46	89
47	239
48	419
49	503
50	419
51	239
52	89
53	19
54	1

[1, 3, 1, 5, 5, 1, 7, 11, 7, 1, 9, 19, 19, 9, 1, 11, 29, 39, 29, 11, 1, 13, 41, 69, 69, 41, 13, 1, 15, 55, 111, 139, 111, 55, 15, 1, 17, 71, 167, 251, 251, 167, 71, 17, 1, 19, 89, 239, 419, 503, 419, 239, 89, 19, 1]

cp's OEIS Frontend

A131768 2(A007318 A097807) - A000012.

Table of values

List of values

n	a(n)
0	1
1	3
2	1
3	5
4	5
5	1
6	7
7	11
8	7
9	1
10	9
11	19
12	19
13	9
14	1
15	11
16	29
17	39
18	29
19	11
20	1
21	13
22	41
23	69
24	69
25	41
26	13
27	1
28	15
29	55
30	111
31	139
32	111
33	55
34	15
35	1
36	17
37	71
38	167
39	251
40	251
41	167
42	71
43	17
44	1
45	19
46	89
47	239
48	419
49	503
50	419
51	239
52	89
53	19
54	1

n	a(n)
0	1
1	3
2	1
3	5
4	5
5	1
6	7
7	11
8	7
9	1
10	9
11	19
12	19
13	9
14	1
15	11
16	29
17	39
18	29
19	11
20	1
21	13
22	41
23	69
24	69
25	41
26	13
27	1
28	15
29	55
30	111
31	139
32	111
33	55
34	15
35	1
36	17
37	71
38	167
39	251
40	251
41	167
42	71
43	17
44	1
45	19
46	89
47	239
48	419
49	503
50	419
51	239
52	89
53	19
54	1

cp's OEIS Frontend

A131768 2*(A007318 * A097807) - A000012.

Table of values

List of values

A131768 2(A007318 A097807) - A000012.

n	a(n)
0	1
1	3
2	1
3	5
4	5
5	1
6	7
7	11
8	7
9	1
10	9
11	19
12	19
13	9
14	1
15	11
16	29
17	39
18	29
19	11
20	1
21	13
22	41
23	69
24	69
25	41
26	13
27	1
28	15
29	55
30	111
31	139
32	111
33	55
34	15
35	1
36	17
37	71
38	167
39	251
40	251
41	167
42	71
43	17
44	1
45	19
46	89
47	239
48	419
49	503
50	419
51	239
52	89
53	19
54	1