A048277 - cp's OEIS frontend

A048277 Number of (not necessarily distinct) nonsquarefree numbers among C(n,k), k=0..n.

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

[0, 0, 0, 0, 2, 0, 1, 0, 6, 8, 5, 0, 9, 4, 3, 2, 15, 12, 17, 12, 13, 12, 11, 0, 21, 22, 19, 26, 25, 18, 25, 20, 31, 30, 27, 28, 35, 30, 25, 28, 37, 30, 29, 18, 29, 38, 27, 6, 47, 48, 49, 48, 47, 36, 51, 50, 55, 52, 49, 38, 53, 36, 23, 56, 63, 62, 61, 60, 61, 54, 59, 54, 71, 66, 57]

cp's OEIS Frontend

A048277 Number of (not necessarily distinct) nonsquarefree numbers among C(n,k), k=0..n.

Table of values

List of values

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

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

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