A249442 - cp's OEIS frontend

A249442 a(n) is the smallest m such that binomial(n,m) is not squarefree, or a(n)=0, if there is no such m.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	1
9	1
10	2
11	0
12	1
13	5
14	3
15	7
16	1
17	2
18	1
19	2
20	1
21	4
22	3
23	0
24	1
25	1
26	2
27	1
28	1
29	3
30	3
31	5
32	1
33	2
34	3
35	4
36	1
37	2
38	3
39	4
40	1
41	2
42	3
43	8
44	1
45	1
46	2
47	21
48	1
49	1
50	1
51	2
52	1
53	4
54	1
55	2
56	1
57	2
58	3
59	6
60	1
61	6
62	3
63	1
64	1
65	2
66	3
67	4
68	1
69	6
70	3
71	8
72	1
73	2
74	3
75	1
76	1
77	3
78	3
79	8
80	1
81	1
82	2
83	3
84	1
85	5
86	3

[0, 0, 0, 0, 1, 0, 3, 0, 1, 1, 2, 0, 1, 5, 3, 7, 1, 2, 1, 2, 1, 4, 3, 0, 1, 1, 2, 1, 1, 3, 3, 5, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 8, 1, 1, 2, 21, 1, 1, 1, 2, 1, 4, 1, 2, 1, 2, 3, 6, 1, 6, 3, 1, 1, 2, 3, 4, 1, 6, 3, 8, 1, 2, 3, 1, 1, 3, 3, 8, 1, 1, 2, 3, 1, 5, 3]

cp's OEIS Frontend

A249442 a(n) is the smallest m such that binomial(n,m) is not squarefree, or a(n)=0, if there is no such m.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	1
9	1
10	2
11	0
12	1
13	5
14	3
15	7
16	1
17	2
18	1
19	2
20	1
21	4
22	3
23	0
24	1
25	1
26	2
27	1
28	1
29	3
30	3
31	5
32	1
33	2
34	3
35	4
36	1
37	2
38	3
39	4
40	1
41	2
42	3
43	8
44	1
45	1
46	2
47	21
48	1
49	1
50	1
51	2
52	1
53	4
54	1
55	2
56	1
57	2
58	3
59	6
60	1
61	6
62	3
63	1
64	1
65	2
66	3
67	4
68	1
69	6
70	3
71	8
72	1
73	2
74	3
75	1
76	1
77	3
78	3
79	8
80	1
81	1
82	2
83	3
84	1
85	5
86	3

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	1
9	1
10	2
11	0
12	1
13	5
14	3
15	7
16	1
17	2
18	1
19	2
20	1
21	4
22	3
23	0
24	1
25	1
26	2
27	1
28	1
29	3
30	3
31	5
32	1
33	2
34	3
35	4
36	1
37	2
38	3
39	4
40	1
41	2
42	3
43	8
44	1
45	1
46	2
47	21
48	1
49	1
50	1
51	2
52	1
53	4
54	1
55	2
56	1
57	2
58	3
59	6
60	1
61	6
62	3
63	1
64	1
65	2
66	3
67	4
68	1
69	6
70	3
71	8
72	1
73	2
74	3
75	1
76	1
77	3
78	3
79	8
80	1
81	1
82	2
83	3
84	1
85	5
86	3

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	1
9	1
10	2
11	0
12	1
13	5
14	3
15	7
16	1
17	2
18	1
19	2
20	1
21	4
22	3
23	0
24	1
25	1
26	2
27	1
28	1
29	3
30	3
31	5
32	1
33	2
34	3
35	4
36	1
37	2
38	3
39	4
40	1
41	2
42	3
43	8
44	1
45	1
46	2
47	21
48	1
49	1
50	1
51	2
52	1
53	4
54	1
55	2
56	1
57	2
58	3
59	6
60	1
61	6
62	3
63	1
64	1
65	2
66	3
67	4
68	1
69	6
70	3
71	8
72	1
73	2
74	3
75	1
76	1
77	3
78	3
79	8
80	1
81	1
82	2
83	3
84	1
85	5
86	3