A371306 - cp's OEIS frontend

A371306 Least positive number k such that binomial(k^2,k) is divisible by n.

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	2
7	3
8	6
9	8
10	4
11	5
12	3
13	4
14	3
15	5
16	6
17	6
18	8
19	8
20	4
21	3
22	5
23	5
24	6
25	9
26	4
27	16
28	3
29	8
30	5
31	6
32	14
33	5
34	6
35	4
36	8
37	9
38	8
39	9
40	10
41	13
42	3
43	7
44	6
45	9
46	5
47	7
48	6
49	10
50	9
51	6
52	4
53	13
54	16
55	5
56	6
57	8
58	8
59	8
60	14
61	8
62	6
63	12
64	23
65	4
66	5
67	12
68	6
69	5
70	4
71	12
72	8
73	9
74	9
75	9
76	8
77	5
78	9
79	9
80	14
81	16
82	13
83	13
84	3
85	14
86	7
87	8
88	6
89	19
90	9
91	4
92	7
93	6
94	7
95	9
96	14
97	10
98	10
99	9
100	16

[1, 2, 2, 3, 4, 2, 3, 6, 8, 4, 5, 3, 4, 3, 5, 6, 6, 8, 8, 4, 3, 5, 5, 6, 9, 4, 16, 3, 8, 5, 6, 14, 5, 6, 4, 8, 9, 8, 9, 10, 13, 3, 7, 6, 9, 5, 7, 6, 10, 9, 6, 4, 13, 16, 5, 6, 8, 8, 8, 14, 8, 6, 12, 23, 4, 5, 12, 6, 5, 4, 12, 8, 9, 9, 9, 8, 5, 9, 9, 14, 16, 13, 13, 3, 14, 7, 8, 6, 19, 9, 4, 7, 6, 7, 9, 14, 10, 10, 9, 16]

cp's OEIS Frontend

A371306 Least positive number k such that binomial(k^2,k) is divisible by n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	2
7	3
8	6
9	8
10	4
11	5
12	3
13	4
14	3
15	5
16	6
17	6
18	8
19	8
20	4
21	3
22	5
23	5
24	6
25	9
26	4
27	16
28	3
29	8
30	5
31	6
32	14
33	5
34	6
35	4
36	8
37	9
38	8
39	9
40	10
41	13
42	3
43	7
44	6
45	9
46	5
47	7
48	6
49	10
50	9
51	6
52	4
53	13
54	16
55	5
56	6
57	8
58	8
59	8
60	14
61	8
62	6
63	12
64	23
65	4
66	5
67	12
68	6
69	5
70	4
71	12
72	8
73	9
74	9
75	9
76	8
77	5
78	9
79	9
80	14
81	16
82	13
83	13
84	3
85	14
86	7
87	8
88	6
89	19
90	9
91	4
92	7
93	6
94	7
95	9
96	14
97	10
98	10
99	9
100	16

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	2
7	3
8	6
9	8
10	4
11	5
12	3
13	4
14	3
15	5
16	6
17	6
18	8
19	8
20	4
21	3
22	5
23	5
24	6
25	9
26	4
27	16
28	3
29	8
30	5
31	6
32	14
33	5
34	6
35	4
36	8
37	9
38	8
39	9
40	10
41	13
42	3
43	7
44	6
45	9
46	5
47	7
48	6
49	10
50	9
51	6
52	4
53	13
54	16
55	5
56	6
57	8
58	8
59	8
60	14
61	8
62	6
63	12
64	23
65	4
66	5
67	12
68	6
69	5
70	4
71	12
72	8
73	9
74	9
75	9
76	8
77	5
78	9
79	9
80	14
81	16
82	13
83	13
84	3
85	14
86	7
87	8
88	6
89	19
90	9
91	4
92	7
93	6
94	7
95	9
96	14
97	10
98	10
99	9
100	16

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	2
7	3
8	6
9	8
10	4
11	5
12	3
13	4
14	3
15	5
16	6
17	6
18	8
19	8
20	4
21	3
22	5
23	5
24	6
25	9
26	4
27	16
28	3
29	8
30	5
31	6
32	14
33	5
34	6
35	4
36	8
37	9
38	8
39	9
40	10
41	13
42	3
43	7
44	6
45	9
46	5
47	7
48	6
49	10
50	9
51	6
52	4
53	13
54	16
55	5
56	6
57	8
58	8
59	8
60	14
61	8
62	6
63	12
64	23
65	4
66	5
67	12
68	6
69	5
70	4
71	12
72	8
73	9
74	9
75	9
76	8
77	5
78	9
79	9
80	14
81	16
82	13
83	13
84	3
85	14
86	7
87	8
88	6
89	19
90	9
91	4
92	7
93	6
94	7
95	9
96	14
97	10
98	10
99	9
100	16