A260466 - cp's OEIS frontend

A260466 Number of integers in Pascal's triangle strictly between 1 and n.

n	a(n)
1	0
2	0
3	1
4	3
5	5
6	7
7	10
8	12
9	14
10	16
11	20
12	22
13	24
14	26
15	28
16	32
17	34
18	36
19	38
20	40
21	43
22	47
23	49
24	51
25	53
26	55
27	57
28	59
29	63
30	65
31	67
32	69
33	71
34	73
35	75
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	103
47	105
48	107
49	109
50	111
51	113
52	115
53	117
54	119
55	121
56	125
57	129
58	131
59	133
60	135
61	137
62	139
63	141

[0, 0, 1, 3, 5, 7, 10, 12, 14, 16, 20, 22, 24, 26, 28, 32, 34, 36, 38, 40, 43, 47, 49, 51, 53, 55, 57, 59, 63, 65, 67, 69, 71, 73, 75, 79, 83, 85, 87, 89, 91, 93, 95, 97, 99, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 125, 129, 131, 133, 135, 137, 139, 141]

cp's OEIS Frontend

A260466 Number of integers in Pascal's triangle strictly between 1 and n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	3
5	5
6	7
7	10
8	12
9	14
10	16
11	20
12	22
13	24
14	26
15	28
16	32
17	34
18	36
19	38
20	40
21	43
22	47
23	49
24	51
25	53
26	55
27	57
28	59
29	63
30	65
31	67
32	69
33	71
34	73
35	75
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	103
47	105
48	107
49	109
50	111
51	113
52	115
53	117
54	119
55	121
56	125
57	129
58	131
59	133
60	135
61	137
62	139
63	141

n	a(n)
1	0
2	0
3	1
4	3
5	5
6	7
7	10
8	12
9	14
10	16
11	20
12	22
13	24
14	26
15	28
16	32
17	34
18	36
19	38
20	40
21	43
22	47
23	49
24	51
25	53
26	55
27	57
28	59
29	63
30	65
31	67
32	69
33	71
34	73
35	75
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	103
47	105
48	107
49	109
50	111
51	113
52	115
53	117
54	119
55	121
56	125
57	129
58	131
59	133
60	135
61	137
62	139
63	141

n	a(n)
1	0
2	0
3	1
4	3
5	5
6	7
7	10
8	12
9	14
10	16
11	20
12	22
13	24
14	26
15	28
16	32
17	34
18	36
19	38
20	40
21	43
22	47
23	49
24	51
25	53
26	55
27	57
28	59
29	63
30	65
31	67
32	69
33	71
34	73
35	75
36	79
37	83
38	85
39	87
40	89
41	91
42	93
43	95
44	97
45	99
46	103
47	105
48	107
49	109
50	111
51	113
52	115
53	117
54	119
55	121
56	125
57	129
58	131
59	133
60	135
61	137
62	139
63	141