A349943 - cp's OEIS frontend

A349943 Number of ways to write n as a^4 + (b^4 + c^2 + d^2)/9, where a,b,c,d are nonnegative integers with c <= d.

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

[1, 3, 5, 4, 3, 4, 3, 1, 1, 6, 9, 6, 2, 4, 7, 3, 3, 7, 9, 7, 7, 5, 4, 2, 3, 10, 11, 8, 2, 10, 10, 1, 5, 9, 15, 14, 6, 5, 5, 1, 4, 9, 12, 8, 2, 11, 7, 1, 4, 11, 21, 8, 6, 9, 8, 3, 3, 7, 9, 9, 4, 11, 9, 2, 3, 13, 14, 7, 7, 10, 10, 4, 3, 10, 18, 16, 3, 10, 7, 1, 4, 10, 15, 12, 11, 12, 11, 3, 3, 16, 29, 17, 5, 6, 14, 10, 3, 10, 18, 15, 14]

cp's OEIS Frontend

A349943 Number of ways to write n as a^4 + (b^4 + c^2 + d^2)/9, where a,b,c,d are nonnegative integers with c <= d.

Table of values

List of values

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

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

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