A002652 - cp's OEIS frontend

A002652 Theta series of Kleinian lattice Z[(1 + sqrt(-7))/ 2] in 1 complex (or 2 real) dimensions.

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

[1, 2, 4, 0, 6, 0, 0, 2, 8, 2, 0, 4, 0, 0, 4, 0, 10, 0, 4, 0, 0, 0, 8, 4, 0, 2, 0, 0, 6, 4, 0, 0, 12, 0, 0, 0, 6, 4, 0, 0, 0, 0, 0, 4, 12, 0, 8, 0, 0, 2, 4, 0, 0, 4, 0, 0, 8, 0, 8, 0, 0, 0, 0, 2, 14, 0, 0, 4, 0, 0, 0, 4, 8, 0, 8, 0, 0, 4, 0, 4, 0, 2, 0, 0, 0, 0, 8, 0, 16, 0, 0, 0, 12, 0, 0, 0, 0, 0, 4, 4, 6, 0]

cp's OEIS Frontend

A002652 Theta series of Kleinian lattice Z[(1 + sqrt(-7))/ 2] in 1 complex (or 2 real) dimensions.

Table of values

List of values

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

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

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