A385104 - cp's OEIS frontend

A385104 Triangle read by rows: T(n,k) is the number of residue classes obtained by solving mod(x^2,n) = k for x over the integers, n >= 1, k >= 0.

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

[1, 1, 1, 1, 2, 0, 2, 2, 0, 0, 1, 2, 0, 0, 2, 1, 2, 0, 1, 2, 0, 1, 2, 2, 0, 2, 0, 0, 2, 4, 0, 0, 2, 0, 0, 0, 3, 2, 0, 0, 2, 0, 0, 2, 0, 1, 2, 0, 0, 2, 1, 2, 0, 0, 2, 1, 2, 0, 2, 2, 2, 0, 0, 0, 2, 0, 2, 4, 0, 0, 4, 0, 0, 0, 0, 2, 0, 0, 1, 2, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 2, 1, 2, 2, 0, 2, 0, 0, 1, 2]

cp's OEIS Frontend

A385104 Triangle read by rows: T(n,k) is the number of residue classes obtained by solving mod(x^2,n) = k for x over the integers, n >= 1, k >= 0.

Table of values

List of values

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

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

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