A270559 - cp's OEIS frontend

A270559 Number of ordered ways to write n as x^4 + x^3 + y^2 + z*(z+1)/2, where x, y and z are integers with x nonzero, y nonnegative and z positive.

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

[1, 1, 2, 2, 2, 2, 3, 1, 3, 4, 2, 5, 2, 3, 4, 2, 3, 4, 5, 1, 4, 3, 3, 4, 3, 4, 5, 5, 3, 6, 5, 3, 3, 6, 2, 4, 6, 3, 9, 4, 2, 3, 4, 3, 7, 6, 3, 6, 2, 4, 2, 6, 5, 7, 6, 4, 5, 3, 6, 4, 11, 1, 5, 9, 3, 6, 5, 3, 8, 8]

cp's OEIS Frontend

A270559 Number of ordered ways to write n as x^4 + x^3 + y^2 + z*(z+1)/2, where x, y and z are integers with x nonzero, y nonnegative and z positive.

Table of values

List of values

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

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

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