A290472 - cp's OEIS frontend

A290472 Number of ways to write 6n+1 as x^2 + 3y^2 + 7*z^2, where x is a positive integer, and y and z are nonnegative integers.

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

[1, 1, 1, 2, 1, 1, 2, 3, 3, 1, 1, 4, 1, 3, 1, 9, 1, 1, 2, 4, 3, 3, 3, 5, 1, 4, 2, 6, 3, 6, 1, 4, 2, 3, 1, 7, 3, 3, 3, 6, 2, 3, 2, 15, 2, 5, 2, 4, 2, 2, 7, 6, 3, 6, 2, 11, 3, 7, 3, 6, 4, 5, 2, 11, 4, 3, 1, 7, 3, 2, 4, 17, 2, 3, 3, 8, 2, 5, 7, 9, 4, 4, 2, 13, 1, 13, 1, 5, 4, 3, 4, 6, 7, 7, 3, 10, 4, 6, 3, 20, 3]

cp's OEIS Frontend

A290472 Number of ways to write 6n+1 as x^2 + 3y^2 + 7*z^2, where x is a positive integer, and y and z are nonnegative integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A290472 Number of ways to write 6*n+1 as x^2 + 3*y^2 + 7*z^2, where x is a positive integer, and y and z are nonnegative integers.

Table of values

List of values

A290472 Number of ways to write 6n+1 as x^2 + 3y^2 + 7*z^2, where x is a positive integer, and y and z are nonnegative integers.

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