A237612 - cp's OEIS frontend

A237612 Least positive integer k such that A000720(k*n) is a square, or 0 if such a number k does not exist.

n	a(n)
1	1
2	1
3	3
4	2
5	2
6	4
7	1
8	1
9	1
10	1
11	5
12	2
13	2
14	2
15	28
16	34
17	9
18	3
19	3
20	5
21	20
22	7
23	1
24	1
25	1
26	1
27	1
28	1
29	2
30	14
31	5
32	17
33	3
34	16
35	12
36	23
37	18
38	4
39	4
40	30
41	46
42	10
43	50
44	23
45	36
46	18
47	40
48	14
49	2
50	2
51	3
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	32
60	7
61	11
62	68
63	19
64	79
65	29
66	267
67	10
68	8
69	12
70	6

[1, 1, 3, 2, 2, 4, 1, 1, 1, 1, 5, 2, 2, 2, 28, 34, 9, 3, 3, 5, 20, 7, 1, 1, 1, 1, 1, 1, 2, 14, 5, 17, 3, 16, 12, 23, 18, 4, 4, 30, 46, 10, 50, 23, 36, 18, 40, 14, 2, 2, 3, 3, 1, 1, 1, 1, 1, 1, 32, 7, 11, 68, 19, 79, 29, 267, 10, 8, 12, 6]

cp's OEIS Frontend

A237612 Least positive integer k such that A000720(k*n) is a square, or 0 if such a number k does not exist.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	2
5	2
6	4
7	1
8	1
9	1
10	1
11	5
12	2
13	2
14	2
15	28
16	34
17	9
18	3
19	3
20	5
21	20
22	7
23	1
24	1
25	1
26	1
27	1
28	1
29	2
30	14
31	5
32	17
33	3
34	16
35	12
36	23
37	18
38	4
39	4
40	30
41	46
42	10
43	50
44	23
45	36
46	18
47	40
48	14
49	2
50	2
51	3
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	32
60	7
61	11
62	68
63	19
64	79
65	29
66	267
67	10
68	8
69	12
70	6

n	a(n)
1	1
2	1
3	3
4	2
5	2
6	4
7	1
8	1
9	1
10	1
11	5
12	2
13	2
14	2
15	28
16	34
17	9
18	3
19	3
20	5
21	20
22	7
23	1
24	1
25	1
26	1
27	1
28	1
29	2
30	14
31	5
32	17
33	3
34	16
35	12
36	23
37	18
38	4
39	4
40	30
41	46
42	10
43	50
44	23
45	36
46	18
47	40
48	14
49	2
50	2
51	3
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	32
60	7
61	11
62	68
63	19
64	79
65	29
66	267
67	10
68	8
69	12
70	6

n	a(n)
1	1
2	1
3	3
4	2
5	2
6	4
7	1
8	1
9	1
10	1
11	5
12	2
13	2
14	2
15	28
16	34
17	9
18	3
19	3
20	5
21	20
22	7
23	1
24	1
25	1
26	1
27	1
28	1
29	2
30	14
31	5
32	17
33	3
34	16
35	12
36	23
37	18
38	4
39	4
40	30
41	46
42	10
43	50
44	23
45	36
46	18
47	40
48	14
49	2
50	2
51	3
52	3
53	1
54	1
55	1
56	1
57	1
58	1
59	32
60	7
61	11
62	68
63	19
64	79
65	29
66	267
67	10
68	8
69	12
70	6