A270566 - cp's OEIS frontend

A270566 Number of ordered ways to write n as x^4 + y(3y+1)/2 + z(7z+1)/2, where x, y and z are integers with x nonnegative.

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

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

cp's OEIS Frontend

A270566 Number of ordered ways to write n as x^4 + y(3y+1)/2 + z(7z+1)/2, where x, y and z are integers with x nonnegative.

Table of values

List of values

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

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

cp's OEIS Frontend

A270566 Number of ordered ways to write n as x^4 + y*(3y+1)/2 + z*(7z+1)/2, where x, y and z are integers with x nonnegative.

Table of values

List of values

A270566 Number of ordered ways to write n as x^4 + y(3y+1)/2 + z(7z+1)/2, where x, y and z are integers with x nonnegative.

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