A305259 - cp's OEIS frontend

A305259 x-coordinates of a point moving counterclockwise on concentric squares of grid points rotated by Pi/4 with side length m*sqrt(2), m=1,2,..., with jump to next square on the positive x-axis.

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

[1, 0, -1, 0, 2, 1, 0, -1, -2, -1, 0, 1, 3, 2, 1, 0, -1, -2, -3, -2, -1, 0, 1, 2, 4, 3, 2, 1, 0, -1, -2, -3, -4, -3, -2, -1, 0, 1, 2, 3, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5]

cp's OEIS Frontend

A305259 x-coordinates of a point moving counterclockwise on concentric squares of grid points rotated by Pi/4 with side length m*sqrt(2), m=1,2,..., with jump to next square on the positive x-axis.

Table of values

List of values

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

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

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