A028959 - cp's OEIS frontend

A028959 Theta series of quadratic form with Gram matrix [ 2, 1; 1, 12 ].

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

[1, 2, 0, 0, 2, 0, 4, 0, 4, 2, 0, 0, 4, 0, 0, 0, 2, 0, 4, 0, 0, 0, 0, 2, 4, 2, 4, 4, 0, 0, 0, 0, 4, 0, 0, 0, 6, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 4, 0, 4, 0, 0, 0, 4, 4, 0, 0, 4, 0, 6, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 4, 0, 0, 2, 4, 0, 0, 0, 0, 4, 0, 0, 0, 0, 2, 4, 4, 0, 8, 0, 0]

cp's OEIS Frontend

A028959 Theta series of quadratic form with Gram matrix [ 2, 1; 1, 12 ].

Table of values

List of values

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

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

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