A202305 - cp's OEIS frontend

A202305 a(n) = floor(sqrt(5*n)).

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

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

cp's OEIS Frontend

A202305 a(n) = floor(sqrt(5*n)).

Table of values

List of values

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

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

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