A307377 - cp's OEIS frontend

A307377 Array A(n, k) read by upwards antidiagonals giving the number of representative parallel primitive binary quadratic forms for discriminant Disc(n) = 4*D(n), with D(n) = A000037(n), and for representable integer |k| >= 1.

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

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

cp's OEIS Frontend

A307377 Array A(n, k) read by upwards antidiagonals giving the number of representative parallel primitive binary quadratic forms for discriminant Disc(n) = 4*D(n), with D(n) = A000037(n), and for representable integer |k| >= 1.

Table of values

List of values

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

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

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