A349942 - cp's OEIS frontend

A349942 Number of ways to write n as a^4 + b^2 + (c^4 + d^2)/25 with a,b,c,d nonnegative integers.

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

[1, 4, 6, 4, 3, 5, 4, 1, 1, 4, 8, 7, 2, 4, 6, 2, 4, 12, 13, 6, 7, 9, 4, 1, 2, 11, 19, 11, 2, 10, 10, 2, 6, 12, 12, 9, 11, 9, 8, 4, 3, 16, 18, 7, 1, 13, 10, 1, 4, 7, 17, 15, 11, 11, 10, 2, 4, 12, 11, 9, 4, 13, 12, 5, 3, 15, 25, 10, 10, 12, 8, 3, 4, 9, 17, 17, 4, 14, 16, 3, 5, 20, 20, 14, 13, 12, 14, 4, 3, 12, 30, 22, 3, 12, 13, 4, 4, 16, 24, 20, 11]

cp's OEIS Frontend

A349942 Number of ways to write n as a^4 + b^2 + (c^4 + d^2)/25 with a,b,c,d nonnegative integers.

Table of values

List of values

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

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

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