A343897 - cp's OEIS frontend

A343897 Number of ways to write n as 2x + y + z with x,y,z positive integers such that 16x^2y^2 + 19y^2z^2 + 29z^2*x^2 is a square.

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

[0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 3, 2, 1, 2, 4, 2, 1, 3, 1, 3, 1, 5, 2, 2, 6, 1, 1, 5, 5, 6, 2, 2, 4, 2, 4, 5, 6, 3, 2, 3, 2, 5, 2, 7, 10, 4, 1, 3, 3, 10, 9, 2, 5, 5, 10, 6, 7, 6, 7, 8, 8, 4, 7, 4, 5, 8, 2, 4, 4, 13, 9, 5, 6, 10, 11, 6, 11, 6, 6, 5, 4, 4, 10, 9, 8, 8, 8, 8, 9, 16, 5, 5, 6, 4, 7, 3, 12, 7, 11, 13]

cp's OEIS Frontend

A343897 Number of ways to write n as 2x + y + z with x,y,z positive integers such that 16x^2y^2 + 19y^2z^2 + 29z^2*x^2 is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A343897 Number of ways to write n as 2*x + y + z with x,y,z positive integers such that 16*x^2*y^2 + 19*y^2*z^2 + 29*z^2*x^2 is a square.

Table of values

List of values

A343897 Number of ways to write n as 2x + y + z with x,y,z positive integers such that 16x^2y^2 + 19y^2z^2 + 29z^2*x^2 is a square.

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