A194663 - cp's OEIS frontend

A194663 Number of k in [1,n] for which + > 1, where < > = fractional part and r = sqrt(2).

n	a(n)
1	0
2	0
3	2
4	0
5	3
6	0
7	1
8	0
9	4
10	0
11	1
12	0
13	4
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	1
24	0
25	6
26	0
27	1
28	0
29	4
30	0
31	14
32	0
33	14
34	0
35	14
36	0
37	11
38	0
39	4
40	0
41	8
42	0
43	18
44	0
45	14
46	0
47	5
48	0
49	10
50	0
51	22
52	0
53	17
54	0
55	6
56	0
57	13
58	0
59	30
60	0
61	31
62	0
63	31
64	0
65	31
66	0
67	31
68	0
69	31
70	0
71	25
72	0
73	12
74	0
75	19
76	0
77	37
78	0
79	37
80	0
81	31
82	0
83	22
84	0
85	41
86	0
87	41

[0, 0, 2, 0, 3, 0, 1, 0, 4, 0, 1, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 6, 0, 1, 0, 4, 0, 14, 0, 14, 0, 14, 0, 11, 0, 4, 0, 8, 0, 18, 0, 14, 0, 5, 0, 10, 0, 22, 0, 17, 0, 6, 0, 13, 0, 30, 0, 31, 0, 31, 0, 31, 0, 31, 0, 31, 0, 25, 0, 12, 0, 19, 0, 37, 0, 37, 0, 31, 0, 22, 0, 41, 0, 41]

cp's OEIS Frontend

A194663 Number of k in [1,n] for which + > 1, where < > = fractional part and r = sqrt(2).

Table of values

List of values

n	a(n)
1	0
2	0
3	2
4	0
5	3
6	0
7	1
8	0
9	4
10	0
11	1
12	0
13	4
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	1
24	0
25	6
26	0
27	1
28	0
29	4
30	0
31	14
32	0
33	14
34	0
35	14
36	0
37	11
38	0
39	4
40	0
41	8
42	0
43	18
44	0
45	14
46	0
47	5
48	0
49	10
50	0
51	22
52	0
53	17
54	0
55	6
56	0
57	13
58	0
59	30
60	0
61	31
62	0
63	31
64	0
65	31
66	0
67	31
68	0
69	31
70	0
71	25
72	0
73	12
74	0
75	19
76	0
77	37
78	0
79	37
80	0
81	31
82	0
83	22
84	0
85	41
86	0
87	41

n	a(n)
1	0
2	0
3	2
4	0
5	3
6	0
7	1
8	0
9	4
10	0
11	1
12	0
13	4
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	1
24	0
25	6
26	0
27	1
28	0
29	4
30	0
31	14
32	0
33	14
34	0
35	14
36	0
37	11
38	0
39	4
40	0
41	8
42	0
43	18
44	0
45	14
46	0
47	5
48	0
49	10
50	0
51	22
52	0
53	17
54	0
55	6
56	0
57	13
58	0
59	30
60	0
61	31
62	0
63	31
64	0
65	31
66	0
67	31
68	0
69	31
70	0
71	25
72	0
73	12
74	0
75	19
76	0
77	37
78	0
79	37
80	0
81	31
82	0
83	22
84	0
85	41
86	0
87	41

n	a(n)
1	0
2	0
3	2
4	0
5	3
6	0
7	1
8	0
9	4
10	0
11	1
12	0
13	4
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	1
24	0
25	6
26	0
27	1
28	0
29	4
30	0
31	14
32	0
33	14
34	0
35	14
36	0
37	11
38	0
39	4
40	0
41	8
42	0
43	18
44	0
45	14
46	0
47	5
48	0
49	10
50	0
51	22
52	0
53	17
54	0
55	6
56	0
57	13
58	0
59	30
60	0
61	31
62	0
63	31
64	0
65	31
66	0
67	31
68	0
69	31
70	0
71	25
72	0
73	12
74	0
75	19
76	0
77	37
78	0
79	37
80	0
81	31
82	0
83	22
84	0
85	41
86	0
87	41