A202306 - cp's OEIS frontend

A202306 a(n) = floor(sqrt(7*n)).

n	a(n)
0	0
1	2
2	3
3	4
4	5
5	5
6	6
7	7
8	7
9	7
10	8
11	8
12	9
13	9
14	9
15	10
16	10
17	10
18	11
19	11
20	11
21	12
22	12
23	12
24	12
25	13
26	13
27	13
28	14
29	14
30	14
31	14
32	14
33	15
34	15
35	15
36	15
37	16
38	16
39	16
40	16
41	16
42	17
43	17
44	17
45	17
46	17
47	18
48	18
49	18
50	18
51	18
52	19
53	19
54	19
55	19
56	19
57	19
58	20
59	20
60	20
61	20
62	20
63	21
64	21
65	21
66	21
67	21
68	21

[0, 2, 3, 4, 5, 5, 6, 7, 7, 7, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21]

cp's OEIS Frontend

A202306 a(n) = floor(sqrt(7*n)).

Table of values

List of values

n	a(n)
0	0
1	2
2	3
3	4
4	5
5	5
6	6
7	7
8	7
9	7
10	8
11	8
12	9
13	9
14	9
15	10
16	10
17	10
18	11
19	11
20	11
21	12
22	12
23	12
24	12
25	13
26	13
27	13
28	14
29	14
30	14
31	14
32	14
33	15
34	15
35	15
36	15
37	16
38	16
39	16
40	16
41	16
42	17
43	17
44	17
45	17
46	17
47	18
48	18
49	18
50	18
51	18
52	19
53	19
54	19
55	19
56	19
57	19
58	20
59	20
60	20
61	20
62	20
63	21
64	21
65	21
66	21
67	21
68	21

n	a(n)
0	0
1	2
2	3
3	4
4	5
5	5
6	6
7	7
8	7
9	7
10	8
11	8
12	9
13	9
14	9
15	10
16	10
17	10
18	11
19	11
20	11
21	12
22	12
23	12
24	12
25	13
26	13
27	13
28	14
29	14
30	14
31	14
32	14
33	15
34	15
35	15
36	15
37	16
38	16
39	16
40	16
41	16
42	17
43	17
44	17
45	17
46	17
47	18
48	18
49	18
50	18
51	18
52	19
53	19
54	19
55	19
56	19
57	19
58	20
59	20
60	20
61	20
62	20
63	21
64	21
65	21
66	21
67	21
68	21

n	a(n)
0	0
1	2
2	3
3	4
4	5
5	5
6	6
7	7
8	7
9	7
10	8
11	8
12	9
13	9
14	9
15	10
16	10
17	10
18	11
19	11
20	11
21	12
22	12
23	12
24	12
25	13
26	13
27	13
28	14
29	14
30	14
31	14
32	14
33	15
34	15
35	15
36	15
37	16
38	16
39	16
40	16
41	16
42	17
43	17
44	17
45	17
46	17
47	18
48	18
49	18
50	18
51	18
52	19
53	19
54	19
55	19
56	19
57	19
58	20
59	20
60	20
61	20
62	20
63	21
64	21
65	21
66	21
67	21
68	21