A131399 - cp's OEIS frontend

A131399 3*A007318 - A046854 - A065941.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	9
12	12
13	9
14	1
15	1
16	11
17	23
18	23
19	11
20	1
21	1
22	14
23	34
24	52
25	34
26	14
27	1
28	1
29	16
30	51
31	90
32	90
33	51
34	16
35	1
36	1
37	19
38	67
39	152
40	180
41	152
42	67
43	19
44	1
45	1
46	21
47	90
48	225
49	342
50	342
51	225
52	90
53	21
54	1

[1, 1, 1, 1, 4, 1, 1, 6, 6, 1, 1, 9, 12, 9, 1, 1, 11, 23, 23, 11, 1, 1, 14, 34, 52, 34, 14, 1, 1, 16, 51, 90, 90, 51, 16, 1, 1, 19, 67, 152, 180, 152, 67, 19, 1, 1, 21, 90, 225, 342, 342, 225, 90, 21, 1]

cp's OEIS Frontend

A131399 3*A007318 - A046854 - A065941.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	9
12	12
13	9
14	1
15	1
16	11
17	23
18	23
19	11
20	1
21	1
22	14
23	34
24	52
25	34
26	14
27	1
28	1
29	16
30	51
31	90
32	90
33	51
34	16
35	1
36	1
37	19
38	67
39	152
40	180
41	152
42	67
43	19
44	1
45	1
46	21
47	90
48	225
49	342
50	342
51	225
52	90
53	21
54	1

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	9
12	12
13	9
14	1
15	1
16	11
17	23
18	23
19	11
20	1
21	1
22	14
23	34
24	52
25	34
26	14
27	1
28	1
29	16
30	51
31	90
32	90
33	51
34	16
35	1
36	1
37	19
38	67
39	152
40	180
41	152
42	67
43	19
44	1
45	1
46	21
47	90
48	225
49	342
50	342
51	225
52	90
53	21
54	1

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	9
12	12
13	9
14	1
15	1
16	11
17	23
18	23
19	11
20	1
21	1
22	14
23	34
24	52
25	34
26	14
27	1
28	1
29	16
30	51
31	90
32	90
33	51
34	16
35	1
36	1
37	19
38	67
39	152
40	180
41	152
42	67
43	19
44	1
45	1
46	21
47	90
48	225
49	342
50	342
51	225
52	90
53	21
54	1