A249695 - cp's OEIS frontend

A249695 a(n)=0, if A249441(n)=0; otherwise, a(n) is the smallest i such that A249441(n)^2 divides binomial(n,i).

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

[0, 0, 0, 0, 1, 0, 3, 0, 1, 2, 3, 0, 1, 6, 3, 7, 1, 2, 3, 4, 1, 6, 3, 0, 1, 2, 3, 12, 1, 6, 3, 5, 1, 2, 3, 4, 1, 6, 3, 8, 1, 2, 3, 12, 1, 6, 3, 21, 1, 2, 3, 4, 1, 6, 3, 24, 1, 2, 3, 12, 1, 6, 3, 1, 1, 2, 3, 4, 1, 6, 3, 8, 1, 2, 3, 12, 1, 6, 3, 16, 1, 2, 3, 4, 1, 6, 3]

cp's OEIS Frontend

A249695 a(n)=0, if A249441(n)=0; otherwise, a(n) is the smallest i such that A249441(n)^2 divides binomial(n,i).

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	2
10	3
11	0
12	1
13	6
14	3
15	7
16	1
17	2
18	3
19	4
20	1
21	6
22	3
23	0
24	1
25	2
26	3
27	12
28	1
29	6
30	3
31	5
32	1
33	2
34	3
35	4
36	1
37	6
38	3
39	8
40	1
41	2
42	3
43	12
44	1
45	6
46	3
47	21
48	1
49	2
50	3
51	4
52	1
53	6
54	3
55	24
56	1
57	2
58	3
59	12
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	12
76	1
77	6
78	3
79	16
80	1
81	2
82	3
83	4
84	1
85	6
86	3

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

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