A320139 - cp's OEIS frontend

A320139 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 4*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	6
4	8
5	8
6	16
7	16
8	14
9	22
10	24
11	16
12	22
13	32
14	12
15	32
16	44
17	16
18	42
19	52
20	36
21	40
22	64
23	32
24	40
25	86
26	24
27	50
28	72
29	40
30	60
31	80
32	38
33	48
34	112
35	48
36	72
37	96
38	64
39	80
40	120
41	64
42	48
43	124
44	52
45	104
46	96
47	64
48	106
49	110
50	110
51	96
52	144
53	72
54	128
55	160
56	60
57	132
58	120
59	64
60	144
61	160
62	60
63	112
64	164

[1, 2, 2, 6, 8, 8, 16, 16, 14, 22, 24, 16, 22, 32, 12, 32, 44, 16, 42, 52, 36, 40, 64, 32, 40, 86, 24, 50, 72, 40, 60, 80, 38, 48, 112, 48, 72, 96, 64, 80, 120, 64, 48, 124, 52, 104, 96, 64, 106, 110, 110, 96, 144, 72, 128, 160, 60, 132, 120, 64, 144, 160, 60, 112, 164]

cp's OEIS Frontend

A320139 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 4*d^2 = n.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	6
4	8
5	8
6	16
7	16
8	14
9	22
10	24
11	16
12	22
13	32
14	12
15	32
16	44
17	16
18	42
19	52
20	36
21	40
22	64
23	32
24	40
25	86
26	24
27	50
28	72
29	40
30	60
31	80
32	38
33	48
34	112
35	48
36	72
37	96
38	64
39	80
40	120
41	64
42	48
43	124
44	52
45	104
46	96
47	64
48	106
49	110
50	110
51	96
52	144
53	72
54	128
55	160
56	60
57	132
58	120
59	64
60	144
61	160
62	60
63	112
64	164

n	a(n)
0	1
1	2
2	2
3	6
4	8
5	8
6	16
7	16
8	14
9	22
10	24
11	16
12	22
13	32
14	12
15	32
16	44
17	16
18	42
19	52
20	36
21	40
22	64
23	32
24	40
25	86
26	24
27	50
28	72
29	40
30	60
31	80
32	38
33	48
34	112
35	48
36	72
37	96
38	64
39	80
40	120
41	64
42	48
43	124
44	52
45	104
46	96
47	64
48	106
49	110
50	110
51	96
52	144
53	72
54	128
55	160
56	60
57	132
58	120
59	64
60	144
61	160
62	60
63	112
64	164

cp's OEIS Frontend

A320139 Number of integer solutions to a^2 + 2*b^2 + 3*c^2 + 4*d^2 = n.

Table of values

List of values

A320139 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 4*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	6
4	8
5	8
6	16
7	16
8	14
9	22
10	24
11	16
12	22
13	32
14	12
15	32
16	44
17	16
18	42
19	52
20	36
21	40
22	64
23	32
24	40
25	86
26	24
27	50
28	72
29	40
30	60
31	80
32	38
33	48
34	112
35	48
36	72
37	96
38	64
39	80
40	120
41	64
42	48
43	124
44	52
45	104
46	96
47	64
48	106
49	110
50	110
51	96
52	144
53	72
54	128
55	160
56	60
57	132
58	120
59	64
60	144
61	160
62	60
63	112
64	164