A280356 - cp's OEIS frontend

A280356 Number of ways to write n as x^4 + y^3 + z^2 + 2^k, where x,y,z are nonnegative integers and k is a positive integer.

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

[0, 1, 3, 4, 4, 4, 3, 3, 5, 5, 4, 5, 6, 5, 2, 3, 7, 8, 7, 7, 8, 5, 1, 4, 9, 8, 5, 7, 8, 6, 3, 8, 14, 11, 7, 8, 7, 4, 4, 8, 13, 9, 4, 8, 8, 5, 4, 8, 11, 5, 5, 8, 8, 6, 4, 6, 9, 6, 6, 10, 6, 2, 3, 4, 10, 10, 9, 13, 12, 7, 2, 7, 11, 9, 7, 9, 6, 2, 3, 7]

cp's OEIS Frontend

A280356 Number of ways to write n as x^4 + y^3 + z^2 + 2^k, where x,y,z are nonnegative integers and k is a positive integer.

Table of values

List of values

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

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

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