A350857 - cp's OEIS frontend

A350857 Number of ways to write n as 2*w^4 + x^4 + y^2 + z^2, where w,x,y,z are nonnegative integers with w or x a square.

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

[1, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 2, 2, 1, 1, 3, 3, 5, 4, 5, 3, 2, 2, 1, 3, 5, 4, 4, 3, 1, 2, 4, 4, 6, 4, 5, 5, 4, 2, 3, 6, 5, 5, 2, 3, 2, 2, 3, 3, 7, 4, 7, 6, 3, 3, 2, 3, 5, 3, 1, 4, 2, 2, 3, 5, 6, 5, 7, 4, 3, 2, 2, 4, 5, 3, 3, 3, 1, 1, 2, 6, 8, 9, 5, 7, 5, 3, 4, 3, 6, 6, 4, 3, 2, 0, 3, 6, 7, 5, 7]

cp's OEIS Frontend

A350857 Number of ways to write n as 2*w^4 + x^4 + y^2 + z^2, where w,x,y,z are nonnegative integers with w or x a square.

Table of values

List of values

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

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

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