A031358 - cp's OEIS frontend

A031358 Number of coincidence site lattices of index 4n+1 in lattice Z^2.

n	a(n)
0	1
1	2
2	0
3	2
4	2
5	0
6	2
7	2
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	2
16	4
17	0
18	2
19	0
20	0
21	4
22	2
23	0
24	2
25	2
26	0
27	2
28	2
29	0
30	0
31	2
32	0
33	0
34	2
35	0
36	4
37	2
38	0
39	2
40	0
41	0
42	2
43	2
44	0
45	2
46	4
47	0
48	2
49	2
50	0
51	4
52	0
53	0
54	0
55	4
56	0
57	2
58	2
59	0
60	2
61	0
62	0
63	0
64	2
65	0
66	4
67	2
68	0
69	2
70	2
71	0
72	2
73	2
74	0
75	0
76	4
77	0
78	2
79	2
80	0
81	4
82	0
83	0
84	2
85	0
86	0
87	2
88	2
89	0
90	0
91	4
92	0
93	2
94	4
95	0
96	0
97	2
98	0
99	2
100	2
101	0
102	2
103	0
104	0
105	2

[1, 2, 0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 0, 2, 0, 2, 4, 0, 2, 0, 0, 4, 2, 0, 2, 2, 0, 2, 2, 0, 0, 2, 0, 0, 2, 0, 4, 2, 0, 2, 0, 0, 2, 2, 0, 2, 4, 0, 2, 2, 0, 4, 0, 0, 0, 4, 0, 2, 2, 0, 2, 0, 0, 0, 2, 0, 4, 2, 0, 2, 2, 0, 2, 2, 0, 0, 4, 0, 2, 2, 0, 4, 0, 0, 2, 0, 0, 2, 2, 0, 0, 4, 0, 2, 4, 0, 0, 2, 0, 2, 2, 0, 2, 0, 0, 2]

cp's OEIS Frontend

A031358 Number of coincidence site lattices of index 4n+1 in lattice Z^2.

Table of values

List of values

n	a(n)
0	1
1	2
2	0
3	2
4	2
5	0
6	2
7	2
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	2
16	4
17	0
18	2
19	0
20	0
21	4
22	2
23	0
24	2
25	2
26	0
27	2
28	2
29	0
30	0
31	2
32	0
33	0
34	2
35	0
36	4
37	2
38	0
39	2
40	0
41	0
42	2
43	2
44	0
45	2
46	4
47	0
48	2
49	2
50	0
51	4
52	0
53	0
54	0
55	4
56	0
57	2
58	2
59	0
60	2
61	0
62	0
63	0
64	2
65	0
66	4
67	2
68	0
69	2
70	2
71	0
72	2
73	2
74	0
75	0
76	4
77	0
78	2
79	2
80	0
81	4
82	0
83	0
84	2
85	0
86	0
87	2
88	2
89	0
90	0
91	4
92	0
93	2
94	4
95	0
96	0
97	2
98	0
99	2
100	2
101	0
102	2
103	0
104	0
105	2

n	a(n)
0	1
1	2
2	0
3	2
4	2
5	0
6	2
7	2
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	2
16	4
17	0
18	2
19	0
20	0
21	4
22	2
23	0
24	2
25	2
26	0
27	2
28	2
29	0
30	0
31	2
32	0
33	0
34	2
35	0
36	4
37	2
38	0
39	2
40	0
41	0
42	2
43	2
44	0
45	2
46	4
47	0
48	2
49	2
50	0
51	4
52	0
53	0
54	0
55	4
56	0
57	2
58	2
59	0
60	2
61	0
62	0
63	0
64	2
65	0
66	4
67	2
68	0
69	2
70	2
71	0
72	2
73	2
74	0
75	0
76	4
77	0
78	2
79	2
80	0
81	4
82	0
83	0
84	2
85	0
86	0
87	2
88	2
89	0
90	0
91	4
92	0
93	2
94	4
95	0
96	0
97	2
98	0
99	2
100	2
101	0
102	2
103	0
104	0
105	2

n	a(n)
0	1
1	2
2	0
3	2
4	2
5	0
6	2
7	2
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	2
16	4
17	0
18	2
19	0
20	0
21	4
22	2
23	0
24	2
25	2
26	0
27	2
28	2
29	0
30	0
31	2
32	0
33	0
34	2
35	0
36	4
37	2
38	0
39	2
40	0
41	0
42	2
43	2
44	0
45	2
46	4
47	0
48	2
49	2
50	0
51	4
52	0
53	0
54	0
55	4
56	0
57	2
58	2
59	0
60	2
61	0
62	0
63	0
64	2
65	0
66	4
67	2
68	0
69	2
70	2
71	0
72	2
73	2
74	0
75	0
76	4
77	0
78	2
79	2
80	0
81	4
82	0
83	0
84	2
85	0
86	0
87	2
88	2
89	0
90	0
91	4
92	0
93	2
94	4
95	0
96	0
97	2
98	0
99	2
100	2
101	0
102	2
103	0
104	0
105	2