A275678 - cp's OEIS frontend

A275678 Number of ordered ways to write n as 4^k(1+4x^2+y^2) + z^2, where k,x,y,z are nonnegative integers with x <= y.

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

[1, 2, 1, 1, 3, 3, 1, 2, 3, 4, 2, 1, 2, 3, 2, 1, 4, 4, 1, 3, 5, 3, 1, 3, 5, 5, 3, 1, 2, 7, 2, 2, 5, 3, 3, 3, 6, 2, 2, 4, 6, 7, 1, 2, 4, 7, 1, 1, 3, 5, 5, 2, 5, 5, 4, 3, 8, 4, 2, 2, 1, 7, 3, 1, 6, 8, 2, 4, 8, 6, 2, 4, 6, 3, 4, 1, 3, 6, 2, 3]

cp's OEIS Frontend

A275678 Number of ordered ways to write n as 4^k(1+4x^2+y^2) + z^2, where k,x,y,z are nonnegative integers with x <= y.

Table of values

List of values

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

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

cp's OEIS Frontend

A275678 Number of ordered ways to write n as 4^k*(1+4*x^2+y^2) + z^2, where k,x,y,z are nonnegative integers with x <= y.

Table of values

List of values

A275678 Number of ordered ways to write n as 4^k(1+4x^2+y^2) + z^2, where k,x,y,z are nonnegative integers with x <= y.

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