A349945 - cp's OEIS frontend

A349945 Number of ways to write n as a^4 + b^2 + (c^4 + d^2)/5 with a,b,c,d nonnegative integers.

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

[1, 3, 4, 3, 3, 6, 7, 3, 1, 4, 5, 4, 2, 3, 8, 5, 3, 9, 10, 6, 7, 11, 10, 3, 2, 6, 8, 9, 3, 9, 16, 5, 4, 11, 9, 7, 9, 9, 12, 7, 2, 8, 11, 7, 2, 11, 14, 4, 3, 10, 10, 9, 8, 9, 21, 9, 3, 9, 5, 7, 4, 10, 17, 8, 3, 15, 15, 9, 9, 16, 20, 5, 3, 5, 7, 11, 3, 11, 18, 4, 6, 22, 18, 11, 14, 15, 19, 10, 2, 9, 16, 10, 3, 9, 16, 11, 7, 19, 16, 13, 12]

cp's OEIS Frontend

A349945 Number of ways to write n as a^4 + b^2 + (c^4 + d^2)/5 with a,b,c,d nonnegative integers.

Table of values

List of values

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

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

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