A320471 - cp's OEIS frontend

A320471 a(n) = floor(sqrt(n)) mod ceiling(sqrt(n)).

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

[0, 1, 1, 0, 2, 2, 2, 2, 0, 3, 3, 3, 3, 3, 3, 0, 4, 4, 4, 4, 4, 4, 4, 4, 0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 9, 9, 9, 9, 9, 9]

cp's OEIS Frontend

A320471 a(n) = floor(sqrt(n)) mod ceiling(sqrt(n)).

Table of values

List of values

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

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

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