A283299 - cp's OEIS frontend

A283299 Number of ways to write 2n + 1 as x^2 + 2y^2 + 3*z^2 with x,y,z integers such that x + y + z is a square or twice a square.

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

[1, 4, 3, 1, 6, 3, 1, 7, 1, 2, 8, 4, 4, 4, 3, 5, 4, 1, 4, 9, 3, 3, 9, 1, 4, 10, 3, 3, 11, 7, 4, 8, 5, 6, 7, 6, 2, 10, 3, 3, 14, 1, 2, 5, 3, 6, 12, 2, 4, 11, 3, 2, 5, 5, 7, 14, 6, 4, 6, 7, 4, 5, 4, 3, 13, 3, 3, 12, 3, 2, 15, 2, 2, 12, 3, 7, 4, 5, 4, 11, 8]

cp's OEIS Frontend

A283299 Number of ways to write 2n + 1 as x^2 + 2y^2 + 3*z^2 with x,y,z integers such that x + y + z is a square or twice a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A283299 Number of ways to write 2*n + 1 as x^2 + 2*y^2 + 3*z^2 with x,y,z integers such that x + y + z is a square or twice a square.

Table of values

List of values

A283299 Number of ways to write 2n + 1 as x^2 + 2y^2 + 3*z^2 with x,y,z integers such that x + y + z is a square or twice a square.

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