A194390 - cp's OEIS frontend

A194390 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) = 0, where r=sqrt(12) and < > denotes fractional part.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	28
8	30
9	32
10	34
11	36
12	38
13	40
14	56
15	58
16	60
17	62
18	64
19	66
20	68
21	84
22	86
23	88
24	90
25	92
26	94
27	96
28	112
29	114
30	116
31	118
32	120
33	122
34	124
35	140
36	142
37	144
38	146
39	148
40	150
41	152
42	168
43	170
44	172
45	174
46	176
47	178
48	180

[2, 4, 6, 8, 10, 12, 28, 30, 32, 34, 36, 38, 40, 56, 58, 60, 62, 64, 66, 68, 84, 86, 88, 90, 92, 94, 96, 112, 114, 116, 118, 120, 122, 124, 140, 142, 144, 146, 148, 150, 152, 168, 170, 172, 174, 176, 178, 180]

cp's OEIS Frontend

A194390 Numbers m such that Sum_{k=1..m} (<1/2 + k*r> - ) = 0, where r=sqrt(12) 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	28
8	30
9	32
10	34
11	36
12	38
13	40
14	56
15	58
16	60
17	62
18	64
19	66
20	68
21	84
22	86
23	88
24	90
25	92
26	94
27	96
28	112
29	114
30	116
31	118
32	120
33	122
34	124
35	140
36	142
37	144
38	146
39	148
40	150
41	152
42	168
43	170
44	172
45	174
46	176
47	178
48	180

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	28
8	30
9	32
10	34
11	36
12	38
13	40
14	56
15	58
16	60
17	62
18	64
19	66
20	68
21	84
22	86
23	88
24	90
25	92
26	94
27	96
28	112
29	114
30	116
31	118
32	120
33	122
34	124
35	140
36	142
37	144
38	146
39	148
40	150
41	152
42	168
43	170
44	172
45	174
46	176
47	178
48	180

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	28
8	30
9	32
10	34
11	36
12	38
13	40
14	56
15	58
16	60
17	62
18	64
19	66
20	68
21	84
22	86
23	88
24	90
25	92
26	94
27	96
28	112
29	114
30	116
31	118
32	120
33	122
34	124
35	140
36	142
37	144
38	146
39	148
40	150
41	152
42	168
43	170
44	172
45	174
46	176
47	178
48	180