A111854 - cp's OEIS frontend

A111854 Number of numbers m <= n such that 4 equals the first digit after decimal point of square root of n in decimal representation.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	2
10	2
11	2
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	5
31	5
32	5
33	5
34	5
35	5
36	5
37	5
38	5
39	5
40	5
41	6
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	8
56	9
57	9
58	9
59	9
60	9
61	9
62	9
63	9
64	9
65	9
66	9
67	9
68	9
69	9
70	9
71	10
72	11
73	11
74	11
75	11
76	11
77	11
78	11
79	11
80	11
81	11
82	11
83	11
84	11
85	11
86	11
87	11
88	11
89	12
90	13
91	13
92	13
93	13

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

cp's OEIS Frontend

A111854 Number of numbers m <= n such that 4 equals the first digit after decimal point of square root of n in decimal representation.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	2
10	2
11	2
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	5
31	5
32	5
33	5
34	5
35	5
36	5
37	5
38	5
39	5
40	5
41	6
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	8
56	9
57	9
58	9
59	9
60	9
61	9
62	9
63	9
64	9
65	9
66	9
67	9
68	9
69	9
70	9
71	10
72	11
73	11
74	11
75	11
76	11
77	11
78	11
79	11
80	11
81	11
82	11
83	11
84	11
85	11
86	11
87	11
88	11
89	12
90	13
91	13
92	13
93	13

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	2
10	2
11	2
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	5
31	5
32	5
33	5
34	5
35	5
36	5
37	5
38	5
39	5
40	5
41	6
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	8
56	9
57	9
58	9
59	9
60	9
61	9
62	9
63	9
64	9
65	9
66	9
67	9
68	9
69	9
70	9
71	10
72	11
73	11
74	11
75	11
76	11
77	11
78	11
79	11
80	11
81	11
82	11
83	11
84	11
85	11
86	11
87	11
88	11
89	12
90	13
91	13
92	13
93	13

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	2
10	2
11	2
12	3
13	3
14	3
15	3
16	3
17	3
18	3
19	3
20	4
21	4
22	4
23	4
24	4
25	4
26	4
27	4
28	4
29	4
30	5
31	5
32	5
33	5
34	5
35	5
36	5
37	5
38	5
39	5
40	5
41	6
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	8
56	9
57	9
58	9
59	9
60	9
61	9
62	9
63	9
64	9
65	9
66	9
67	9
68	9
69	9
70	9
71	10
72	11
73	11
74	11
75	11
76	11
77	11
78	11
79	11
80	11
81	11
82	11
83	11
84	11
85	11
86	11
87	11
88	11
89	12
90	13
91	13
92	13
93	13