A049472 - cp's OEIS frontend

A049472 a(n) = floor(n/sqrt(2)).

n	a(n)
0	0
1	0
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	9
15	10
16	11
17	12
18	12
19	13
20	14
21	14
22	15
23	16
24	16
25	17
26	18
27	19
28	19
29	20
30	21
31	21
32	22
33	23
34	24
35	24
36	25
37	26
38	26
39	27
40	28
41	28
42	29
43	30
44	31
45	31
46	32
47	33
48	33
49	34
50	35
51	36
52	36
53	37
54	38
55	38
56	39
57	40
58	41
59	41
60	42
61	43
62	43
63	44
64	45
65	45
66	46
67	47

[0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 19, 19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 26, 27, 28, 28, 29, 30, 31, 31, 32, 33, 33, 34, 35, 36, 36, 37, 38, 38, 39, 40, 41, 41, 42, 43, 43, 44, 45, 45, 46, 47]

cp's OEIS Frontend

A049472 a(n) = floor(n/sqrt(2)).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	9
15	10
16	11
17	12
18	12
19	13
20	14
21	14
22	15
23	16
24	16
25	17
26	18
27	19
28	19
29	20
30	21
31	21
32	22
33	23
34	24
35	24
36	25
37	26
38	26
39	27
40	28
41	28
42	29
43	30
44	31
45	31
46	32
47	33
48	33
49	34
50	35
51	36
52	36
53	37
54	38
55	38
56	39
57	40
58	41
59	41
60	42
61	43
62	43
63	44
64	45
65	45
66	46
67	47

n	a(n)
0	0
1	0
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	9
15	10
16	11
17	12
18	12
19	13
20	14
21	14
22	15
23	16
24	16
25	17
26	18
27	19
28	19
29	20
30	21
31	21
32	22
33	23
34	24
35	24
36	25
37	26
38	26
39	27
40	28
41	28
42	29
43	30
44	31
45	31
46	32
47	33
48	33
49	34
50	35
51	36
52	36
53	37
54	38
55	38
56	39
57	40
58	41
59	41
60	42
61	43
62	43
63	44
64	45
65	45
66	46
67	47

n	a(n)
0	0
1	0
2	1
3	2
4	2
5	3
6	4
7	4
8	5
9	6
10	7
11	7
12	8
13	9
14	9
15	10
16	11
17	12
18	12
19	13
20	14
21	14
22	15
23	16
24	16
25	17
26	18
27	19
28	19
29	20
30	21
31	21
32	22
33	23
34	24
35	24
36	25
37	26
38	26
39	27
40	28
41	28
42	29
43	30
44	31
45	31
46	32
47	33
48	33
49	34
50	35
51	36
52	36
53	37
54	38
55	38
56	39
57	40
58	41
59	41
60	42
61	43
62	43
63	44
64	45
65	45
66	46
67	47