A124340 - cp's OEIS frontend

A124340 Number of solutions to n = x^2 + 2y^2 + 4(T(z) + T(w)) + 1 where x and y are integers, z and w are nonnegative integers and T(x) = (x^2+x)/2.

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

[1, 2, 2, 4, 4, 4, 8, 8, 7, 8, 10, 8, 12, 16, 8, 16, 18, 14, 18, 16, 16, 20, 24, 16, 21, 24, 20, 32, 28, 16, 32, 32, 20, 36, 32, 28, 36, 36, 24, 32, 42, 32, 42, 40, 28, 48, 48, 32, 57, 42, 36, 48, 52, 40, 40, 64, 36, 56, 58, 32, 60, 64, 56, 64, 48, 40, 66]

cp's OEIS Frontend

A124340 Number of solutions to n = x^2 + 2y^2 + 4(T(z) + T(w)) + 1 where x and y are integers, z and w are nonnegative integers and T(x) = (x^2+x)/2.

Table of values

List of values

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

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

cp's OEIS Frontend

A124340 Number of solutions to n = x^2 + 2*y^2 + 4*(T(z) + T(w)) + 1 where x and y are integers, z and w are nonnegative integers and T(x) = (x^2+x)/2.

Table of values

List of values

A124340 Number of solutions to n = x^2 + 2y^2 + 4(T(z) + T(w)) + 1 where x and y are integers, z and w are nonnegative integers and T(x) = (x^2+x)/2.

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