A194423 - cp's OEIS frontend

A194423 Numbers m such that Sum_{k=1..m} (<2/3 + k*r> - ) = 0, where r=sqrt(2) and < > denotes fractional part.

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	36
13	42
14	45
15	48
16	54
17	57
18	60
19	66
20	69
21	75
22	78
23	81
24	87
25	90
26	93
27	99
28	102
29	105
30	108
31	111
32	114
33	117
34	120
35	123
36	126
37	129
38	132
39	135
40	141
41	144
42	147
43	153
44	156
45	159
46	165
47	168
48	171
49	183
50	195
51	240
52	243
53	246
54	252
55	255
56	258
57	264

[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 42, 45, 48, 54, 57, 60, 66, 69, 75, 78, 81, 87, 90, 93, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 141, 144, 147, 153, 156, 159, 165, 168, 171, 183, 195, 240, 243, 246, 252, 255, 258, 264]

cp's OEIS Frontend

A194423 Numbers m such that Sum_{k=1..m} (<2/3 + k*r> - ) = 0, where r=sqrt(2) and < > denotes fractional part.

Table of values

List of values

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	36
13	42
14	45
15	48
16	54
17	57
18	60
19	66
20	69
21	75
22	78
23	81
24	87
25	90
26	93
27	99
28	102
29	105
30	108
31	111
32	114
33	117
34	120
35	123
36	126
37	129
38	132
39	135
40	141
41	144
42	147
43	153
44	156
45	159
46	165
47	168
48	171
49	183
50	195
51	240
52	243
53	246
54	252
55	255
56	258
57	264

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	36
13	42
14	45
15	48
16	54
17	57
18	60
19	66
20	69
21	75
22	78
23	81
24	87
25	90
26	93
27	99
28	102
29	105
30	108
31	111
32	114
33	117
34	120
35	123
36	126
37	129
38	132
39	135
40	141
41	144
42	147
43	153
44	156
45	159
46	165
47	168
48	171
49	183
50	195
51	240
52	243
53	246
54	252
55	255
56	258
57	264

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	36
13	42
14	45
15	48
16	54
17	57
18	60
19	66
20	69
21	75
22	78
23	81
24	87
25	90
26	93
27	99
28	102
29	105
30	108
31	111
32	114
33	117
34	120
35	123
36	126
37	129
38	132
39	135
40	141
41	144
42	147
43	153
44	156
45	159
46	165
47	168
48	171
49	183
50	195
51	240
52	243
53	246
54	252
55	255
56	258
57	264