A257230 - cp's OEIS frontend

A257230 Floor(sqrt(q)-(q-p)), where p and q are consecutive primes.

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

[0, 0, 0, -1, 1, 0, 2, 0, -1, 3, 0, 2, 4, 2, 1, 1, 5, 2, 4, 6, 2, 5, 3, 1, 6, 8, 6, 8, 6, -3, 7, 5, 9, 2, 10, 6, 6, 8, 7, 7, 11, 3, 11, 10, 12, 2, 2, 11, 13, 11, 9, 13, 5, 10, 10, 10, 14, 10, 12, 14, 7, 3, 13, 15, 13, 4, 12, 8, 16, 14, 12, 11, 13, 13, 15, 13, 11, 16, 12, 10, 18]

cp's OEIS Frontend

A257230 Floor(sqrt(q)-(q-p)), where p and q are consecutive primes.

Table of values

List of values

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

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

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