A379895 - cp's OEIS frontend

A379895 Number of 1 <= m <= N-1 such that there exists 1 <= x < y <= N-1 such that 1/x^2 - 1/y^2 = 1/m^2 - 1/N^2, N = A355812(n).

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

[1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 1, 2, 2, 2, 4, 1, 2, 4, 2, 2, 3, 2, 2, 2, 2, 2, 2, 4, 3, 2, 2, 4, 2, 1, 2, 2, 6, 2, 2, 4, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 2, 1, 2, 5, 1, 2, 6, 4, 2, 4, 1, 2, 2, 7]

cp's OEIS Frontend

A379895 Number of 1 <= m <= N-1 such that there exists 1 <= x < y <= N-1 such that 1/x^2 - 1/y^2 = 1/m^2 - 1/N^2, N = A355812(n).

Table of values

List of values

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

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

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