A320197 - cp's OEIS frontend

A320197 Number of integer solutions to a^2 + 2b^2 + 4c^2 + 9*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	4
4	4
5	4
6	8
7	8
8	6
9	8
10	12
11	8
12	16
13	20
14	8
15	24
16	28
17	20
18	22
19	28
20	16
21	24
22	48
23	8
24	24
25	38
26	24
27	36
28	40
29	20
30	16
31	64
32	22
33	32
34	44
35	24
36	46
37	56
38	36
39	16
40	64
41	28
42	64
43	68
44	36
45	56
46	56
47	72
48	56
49	90
50	26
51	56
52	88
53	44
54	92
55	48
56	48
57	80
58	108
59	48
60	48
61	96
62	40
63	120
64	92
65	16
66	48
67	108
68	52

[1, 2, 2, 4, 4, 4, 8, 8, 6, 8, 12, 8, 16, 20, 8, 24, 28, 20, 22, 28, 16, 24, 48, 8, 24, 38, 24, 36, 40, 20, 16, 64, 22, 32, 44, 24, 46, 56, 36, 16, 64, 28, 64, 68, 36, 56, 56, 72, 56, 90, 26, 56, 88, 44, 92, 48, 48, 80, 108, 48, 48, 96, 40, 120, 92, 16, 48, 108, 52]

cp's OEIS Frontend

A320197 Number of integer solutions to a^2 + 2b^2 + 4c^2 + 9*d^2 = n.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	4
4	4
5	4
6	8
7	8
8	6
9	8
10	12
11	8
12	16
13	20
14	8
15	24
16	28
17	20
18	22
19	28
20	16
21	24
22	48
23	8
24	24
25	38
26	24
27	36
28	40
29	20
30	16
31	64
32	22
33	32
34	44
35	24
36	46
37	56
38	36
39	16
40	64
41	28
42	64
43	68
44	36
45	56
46	56
47	72
48	56
49	90
50	26
51	56
52	88
53	44
54	92
55	48
56	48
57	80
58	108
59	48
60	48
61	96
62	40
63	120
64	92
65	16
66	48
67	108
68	52

n	a(n)
0	1
1	2
2	2
3	4
4	4
5	4
6	8
7	8
8	6
9	8
10	12
11	8
12	16
13	20
14	8
15	24
16	28
17	20
18	22
19	28
20	16
21	24
22	48
23	8
24	24
25	38
26	24
27	36
28	40
29	20
30	16
31	64
32	22
33	32
34	44
35	24
36	46
37	56
38	36
39	16
40	64
41	28
42	64
43	68
44	36
45	56
46	56
47	72
48	56
49	90
50	26
51	56
52	88
53	44
54	92
55	48
56	48
57	80
58	108
59	48
60	48
61	96
62	40
63	120
64	92
65	16
66	48
67	108
68	52

cp's OEIS Frontend

A320197 Number of integer solutions to a^2 + 2*b^2 + 4*c^2 + 9*d^2 = n.

Table of values

List of values

A320197 Number of integer solutions to a^2 + 2b^2 + 4c^2 + 9*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	4
4	4
5	4
6	8
7	8
8	6
9	8
10	12
11	8
12	16
13	20
14	8
15	24
16	28
17	20
18	22
19	28
20	16
21	24
22	48
23	8
24	24
25	38
26	24
27	36
28	40
29	20
30	16
31	64
32	22
33	32
34	44
35	24
36	46
37	56
38	36
39	16
40	64
41	28
42	64
43	68
44	36
45	56
46	56
47	72
48	56
49	90
50	26
51	56
52	88
53	44
54	92
55	48
56	48
57	80
58	108
59	48
60	48
61	96
62	40
63	120
64	92
65	16
66	48
67	108
68	52