A322575 - cp's OEIS frontend

A322575 z(1) = 0, and for any n > 0, z(4n-2) = z(n) + k(n), z(4n-1) = z(n) + ik(n), z(4n) = z(n) - k(n) and z(4n+1) = z(n) - ik(n) where k(n) is the least positive integer not leading to a duplicate term in sequence z (and i denotes the imaginary unit); a(n) is the imaginary part of z(n).

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

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

cp's OEIS Frontend

A322575 z(1) = 0, and for any n > 0, z(4n-2) = z(n) + k(n), z(4n-1) = z(n) + ik(n), z(4n) = z(n) - k(n) and z(4n+1) = z(n) - ik(n) where k(n) is the least positive integer not leading to a duplicate term in sequence z (and i denotes the imaginary unit); a(n) is the imaginary part of z(n).

Table of values

List of values

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

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

cp's OEIS Frontend

A322575 z(1) = 0, and for any n > 0, z(4*n-2) = z(n) + k(n), z(4*n-1) = z(n) + i*k(n), z(4*n) = z(n) - k(n) and z(4*n+1) = z(n) - i*k(n) where k(n) is the least positive integer not leading to a duplicate term in sequence z (and i denotes the imaginary unit); a(n) is the imaginary part of z(n).

Table of values

List of values

A322575 z(1) = 0, and for any n > 0, z(4n-2) = z(n) + k(n), z(4n-1) = z(n) + ik(n), z(4n) = z(n) - k(n) and z(4n+1) = z(n) - ik(n) where k(n) is the least positive integer not leading to a duplicate term in sequence z (and i denotes the imaginary unit); a(n) is the imaginary part of z(n).

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