A338095 - cp's OEIS frontend

A338095 Number of ways to write 2n + 1 as x^2 + y^2 + z^2 + w^2 with x + y + 2z a positive power of two, where x, y, z, w are nonnegative integers with x <= y.

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

[1, 2, 4, 1, 2, 3, 4, 2, 5, 3, 4, 2, 3, 3, 4, 1, 2, 3, 4, 2, 6, 3, 3, 3, 4, 5, 6, 4, 6, 6, 5, 3, 9, 5, 4, 2, 4, 5, 6, 2, 5, 4, 5, 3, 6, 4, 4, 5, 5, 3, 6, 5, 4, 3, 4, 2, 6, 5, 4, 2, 3, 3, 7, 5, 4, 6, 5, 4, 7, 1, 2, 3, 6, 4, 3, 3, 5, 5, 4, 2, 6, 2, 5, 3, 2, 8, 7, 5, 6, 6, 6, 4, 10, 8, 7, 4, 4, 9, 8, 6, 10]

cp's OEIS Frontend

A338095 Number of ways to write 2n + 1 as x^2 + y^2 + z^2 + w^2 with x + y + 2z a positive power of two, where x, y, z, w are nonnegative integers with x <= y.

Table of values

List of values

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

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

cp's OEIS Frontend

A338095 Number of ways to write 2*n + 1 as x^2 + y^2 + z^2 + w^2 with x + y + 2*z a positive power of two, where x, y, z, w are nonnegative integers with x <= y.

Table of values

List of values

A338095 Number of ways to write 2n + 1 as x^2 + y^2 + z^2 + w^2 with x + y + 2z a positive power of two, where x, y, z, w are nonnegative integers with x <= y.

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