A005881 - cp's OEIS frontend

A005881 Theta series of planar hexagonal lattice (A2) with respect to edge.

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

[2, 2, 0, 4, 2, 0, 4, 0, 0, 4, 4, 0, 2, 2, 0, 4, 0, 0, 4, 4, 0, 4, 0, 0, 6, 0, 0, 0, 4, 0, 4, 4, 0, 4, 0, 0, 4, 2, 0, 4, 2, 0, 0, 0, 0, 8, 4, 0, 4, 0, 0, 4, 0, 0, 4, 4, 0, 0, 4, 0, 2, 0, 0, 4, 4, 0, 8, 0, 0, 4, 0, 0, 0, 6, 0, 4, 0, 0, 4, 0, 0, 4, 0, 0, 6, 4, 0, 4, 0, 0, 4, 4, 0, 0, 4, 0, 4, 0, 0, 4, 4, 0, 0, 0, 0]

cp's OEIS Frontend

A005881 Theta series of planar hexagonal lattice (A2) with respect to edge.

Table of values

List of values

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

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

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