A343950 - cp's OEIS frontend

A343950 Number of ways to write n as x + y + z with x^2 + 4y^2 + 5z^2 a square, where x,y,z are positive integers with y or z a positive power of two.

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

[0, 0, 0, 1, 1, 0, 0, 3, 1, 2, 2, 2, 3, 1, 4, 3, 2, 3, 3, 4, 4, 2, 1, 4, 6, 4, 2, 3, 12, 5, 3, 5, 8, 4, 5, 5, 8, 4, 7, 4, 4, 4, 7, 5, 5, 1, 4, 6, 5, 6, 6, 10, 7, 4, 9, 5, 10, 16, 7, 7, 9, 6, 5, 5, 14, 8, 6, 6, 3, 7, 1, 5, 4, 10, 5, 7, 10, 8, 13, 10, 3, 4, 8, 5, 12, 7, 20, 9, 12, 5, 8, 1, 9, 4, 8, 9, 8, 7, 4, 10]

cp's OEIS Frontend

A343950 Number of ways to write n as x + y + z with x^2 + 4y^2 + 5z^2 a square, where x,y,z are positive integers with y or z a positive power of two.

Table of values

List of values

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

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

cp's OEIS Frontend

A343950 Number of ways to write n as x + y + z with x^2 + 4*y^2 + 5*z^2 a square, where x,y,z are positive integers with y or z a positive power of two.

Table of values

List of values

A343950 Number of ways to write n as x + y + z with x^2 + 4y^2 + 5z^2 a square, where x,y,z are positive integers with y or z a positive power of two.

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