A343862 - cp's OEIS frontend

A343862 Number of ways to write n as x + y + z with x, y, z positive integers such that x^2y^2 + 5y^2z^2 + 10z^2*x^2 is a square.

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

[0, 0, 1, 1, 1, 2, 2, 1, 1, 4, 2, 4, 2, 2, 5, 5, 3, 3, 2, 6, 4, 3, 3, 6, 6, 5, 2, 6, 4, 10, 3, 6, 4, 6, 6, 8, 5, 6, 4, 9, 7, 6, 3, 7, 9, 5, 5, 15, 5, 12, 11, 10, 5, 6, 7, 10, 8, 9, 7, 15, 7, 6, 7, 10, 10, 7, 9, 10, 10, 12, 4, 15, 9, 9, 11, 9, 7, 12, 11, 15, 8, 9, 7, 12, 10, 3, 9, 11, 11, 19, 12, 12, 9, 10, 6, 23, 11, 6, 10, 18]

cp's OEIS Frontend

A343862 Number of ways to write n as x + y + z with x, y, z positive integers such that x^2y^2 + 5y^2z^2 + 10z^2*x^2 is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A343862 Number of ways to write n as x + y + z with x, y, z positive integers such that x^2*y^2 + 5*y^2*z^2 + 10*z^2*x^2 is a square.

Table of values

List of values

A343862 Number of ways to write n as x + y + z with x, y, z positive integers such that x^2y^2 + 5y^2z^2 + 10z^2*x^2 is a square.

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