A320131 - cp's OEIS frontend

A320131 Number of integer solutions to a^2 + b^2 + 2c^2 + 9d^2 = n.

n	a(n)
0	1
1	4
2	6
3	8
4	12
5	8
6	8
7	16
8	6
9	14
10	32
11	20
12	40
13	48
14	16
15	32
16	44
17	28
18	54
19	72
20	40
21	64
22	72
23	16
24	40
25	52
26	56
27	92
28	96
29	56
30	32
31	80
32	38
33	48
34	104
35	64
36	102
37	144
38	52
39	32
40	112
41	44
42	128
43	168
44	68
45	136
46	128
47	96
48	104
49	132
50	62
51	144
52	176
53	104
54	172
55	96
56	112
57	112
58	192
59	116
60	96
61	240
62	96
63	176

[1, 4, 6, 8, 12, 8, 8, 16, 6, 14, 32, 20, 40, 48, 16, 32, 44, 28, 54, 72, 40, 64, 72, 16, 40, 52, 56, 92, 96, 56, 32, 80, 38, 48, 104, 64, 102, 144, 52, 32, 112, 44, 128, 168, 68, 136, 128, 96, 104, 132, 62, 144, 176, 104, 172, 96, 112, 112, 192, 116, 96, 240, 96, 176]

cp's OEIS Frontend

A320131 Number of integer solutions to a^2 + b^2 + 2c^2 + 9d^2 = n.

Table of values

List of values

n	a(n)
0	1
1	4
2	6
3	8
4	12
5	8
6	8
7	16
8	6
9	14
10	32
11	20
12	40
13	48
14	16
15	32
16	44
17	28
18	54
19	72
20	40
21	64
22	72
23	16
24	40
25	52
26	56
27	92
28	96
29	56
30	32
31	80
32	38
33	48
34	104
35	64
36	102
37	144
38	52
39	32
40	112
41	44
42	128
43	168
44	68
45	136
46	128
47	96
48	104
49	132
50	62
51	144
52	176
53	104
54	172
55	96
56	112
57	112
58	192
59	116
60	96
61	240
62	96
63	176

n	a(n)
0	1
1	4
2	6
3	8
4	12
5	8
6	8
7	16
8	6
9	14
10	32
11	20
12	40
13	48
14	16
15	32
16	44
17	28
18	54
19	72
20	40
21	64
22	72
23	16
24	40
25	52
26	56
27	92
28	96
29	56
30	32
31	80
32	38
33	48
34	104
35	64
36	102
37	144
38	52
39	32
40	112
41	44
42	128
43	168
44	68
45	136
46	128
47	96
48	104
49	132
50	62
51	144
52	176
53	104
54	172
55	96
56	112
57	112
58	192
59	116
60	96
61	240
62	96
63	176

cp's OEIS Frontend

A320131 Number of integer solutions to a^2 + b^2 + 2*c^2 + 9*d^2 = n.

Table of values

List of values

A320131 Number of integer solutions to a^2 + b^2 + 2c^2 + 9d^2 = n.

n	a(n)
0	1
1	4
2	6
3	8
4	12
5	8
6	8
7	16
8	6
9	14
10	32
11	20
12	40
13	48
14	16
15	32
16	44
17	28
18	54
19	72
20	40
21	64
22	72
23	16
24	40
25	52
26	56
27	92
28	96
29	56
30	32
31	80
32	38
33	48
34	104
35	64
36	102
37	144
38	52
39	32
40	112
41	44
42	128
43	168
44	68
45	136
46	128
47	96
48	104
49	132
50	62
51	144
52	176
53	104
54	172
55	96
56	112
57	112
58	192
59	116
60	96
61	240
62	96
63	176