A350493 - cp's OEIS frontend

A350493 a(n) = floor(sqrt(prime(n)))^2 mod n.

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

[0, 1, 1, 0, 4, 3, 2, 0, 7, 5, 3, 0, 10, 8, 6, 1, 15, 13, 7, 4, 1, 20, 12, 9, 6, 22, 19, 16, 13, 10, 28, 25, 22, 19, 4, 0, 33, 30, 27, 9, 5, 1, 40, 37, 16, 12, 8, 4, 29, 25, 21, 17, 13, 9, 36, 32, 28, 24, 20, 16, 12, 41, 37, 33, 29, 25, 56, 52, 48, 44, 40, 36]

cp's OEIS Frontend

A350493 a(n) = floor(sqrt(prime(n)))^2 mod n.

Table of values

List of values

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

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

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