A194372 - cp's OEIS frontend

A194372 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) = 0, where r=sqrt(3) and < > denotes fractional part.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	18
9	22
10	26
11	28
12	30
13	32
14	34
15	36
16	38
17	40
18	42
19	46
20	50
21	54
22	56
23	58
24	60
25	62
26	64
27	66
28	68
29	70
30	74
31	78
32	82
33	84
34	86
35	88
36	90
37	92
38	94
39	96
40	98
41	102
42	106
43	110
44	112
45	114
46	116
47	118
48	120
49	122
50	124
51	126
52	130
53	134
54	138
55	140
56	142
57	144
58	146
59	148
60	150
61	152

[2, 4, 6, 8, 10, 12, 14, 18, 22, 26, 28, 30, 32, 34, 36, 38, 40, 42, 46, 50, 54, 56, 58, 60, 62, 64, 66, 68, 70, 74, 78, 82, 84, 86, 88, 90, 92, 94, 96, 98, 102, 106, 110, 112, 114, 116, 118, 120, 122, 124, 126, 130, 134, 138, 140, 142, 144, 146, 148, 150, 152]

cp's OEIS Frontend

A194372 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) = 0, where r=sqrt(3) and < > denotes fractional part.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	18
9	22
10	26
11	28
12	30
13	32
14	34
15	36
16	38
17	40
18	42
19	46
20	50
21	54
22	56
23	58
24	60
25	62
26	64
27	66
28	68
29	70
30	74
31	78
32	82
33	84
34	86
35	88
36	90
37	92
38	94
39	96
40	98
41	102
42	106
43	110
44	112
45	114
46	116
47	118
48	120
49	122
50	124
51	126
52	130
53	134
54	138
55	140
56	142
57	144
58	146
59	148
60	150
61	152

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	18
9	22
10	26
11	28
12	30
13	32
14	34
15	36
16	38
17	40
18	42
19	46
20	50
21	54
22	56
23	58
24	60
25	62
26	64
27	66
28	68
29	70
30	74
31	78
32	82
33	84
34	86
35	88
36	90
37	92
38	94
39	96
40	98
41	102
42	106
43	110
44	112
45	114
46	116
47	118
48	120
49	122
50	124
51	126
52	130
53	134
54	138
55	140
56	142
57	144
58	146
59	148
60	150
61	152

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	18
9	22
10	26
11	28
12	30
13	32
14	34
15	36
16	38
17	40
18	42
19	46
20	50
21	54
22	56
23	58
24	60
25	62
26	64
27	66
28	68
29	70
30	74
31	78
32	82
33	84
34	86
35	88
36	90
37	92
38	94
39	96
40	98
41	102
42	106
43	110
44	112
45	114
46	116
47	118
48	120
49	122
50	124
51	126
52	130
53	134
54	138
55	140
56	142
57	144
58	146
59	148
60	150
61	152