A111894 - cp's OEIS frontend

A111894 Number of numbers m <= n such that 4 equals the second digit after decimal point of square root of n in decimal representation.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	3
15	3
16	3
17	3
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	4
31	4
32	4
33	5
34	5
35	5
36	5
37	5
38	5
39	6
40	6
41	6
42	6
43	6
44	6
45	6
46	6
47	6
48	6
49	6
50	6
51	7
52	7
53	7
54	8
55	8
56	8
57	9
58	9
59	9
60	10
61	10
62	10
63	10
64	10
65	10
66	10
67	10
68	11
69	11
70	11
71	11
72	11
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	13
81	13
82	13
83	13
84	13
85	13
86	13
87	13
88	13
89	13

[0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13]

cp's OEIS Frontend

A111894 Number of numbers m <= n such that 4 equals the second digit after decimal point of square root of n in decimal representation.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	3
15	3
16	3
17	3
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	4
31	4
32	4
33	5
34	5
35	5
36	5
37	5
38	5
39	6
40	6
41	6
42	6
43	6
44	6
45	6
46	6
47	6
48	6
49	6
50	6
51	7
52	7
53	7
54	8
55	8
56	8
57	9
58	9
59	9
60	10
61	10
62	10
63	10
64	10
65	10
66	10
67	10
68	11
69	11
70	11
71	11
72	11
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	13
81	13
82	13
83	13
84	13
85	13
86	13
87	13
88	13
89	13

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	3
15	3
16	3
17	3
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	4
31	4
32	4
33	5
34	5
35	5
36	5
37	5
38	5
39	6
40	6
41	6
42	6
43	6
44	6
45	6
46	6
47	6
48	6
49	6
50	6
51	7
52	7
53	7
54	8
55	8
56	8
57	9
58	9
59	9
60	10
61	10
62	10
63	10
64	10
65	10
66	10
67	10
68	11
69	11
70	11
71	11
72	11
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	13
81	13
82	13
83	13
84	13
85	13
86	13
87	13
88	13
89	13

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	3
15	3
16	3
17	3
18	4
19	4
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	4
31	4
32	4
33	5
34	5
35	5
36	5
37	5
38	5
39	6
40	6
41	6
42	6
43	6
44	6
45	6
46	6
47	6
48	6
49	6
50	6
51	7
52	7
53	7
54	8
55	8
56	8
57	9
58	9
59	9
60	10
61	10
62	10
63	10
64	10
65	10
66	10
67	10
68	11
69	11
70	11
71	11
72	11
73	12
74	12
75	12
76	12
77	12
78	12
79	12
80	13
81	13
82	13
83	13
84	13
85	13
86	13
87	13
88	13
89	13