A194378 - cp's OEIS frontend

A194378 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) < 0, where r=sqrt(7) and < > denotes fractional part.

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

[1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 35, 37, 38, 39, 40, 41, 43, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 83, 85, 86, 87, 88, 89, 91, 97, 99, 100]

cp's OEIS Frontend

A194378 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) < 0, where r=sqrt(7) and < > denotes fractional part.

Table of values

List of values

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

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

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