A320188 - cp's OEIS frontend

A320188 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 7*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	6
4	6
5	4
6	12
7	6
8	6
9	18
10	12
11	20
12	26
13	28
14	20
15	20
16	34
17	4
18	30
19	44
20	20
21	48
22	44
23	20
24	20
25	38
26	16
27	42
28	62
29	40
30	56
31	48
32	34
33	24
34	72
35	40
36	70
37	112
38	36
39	56
40	68
41	44
42	40
43	124
44	60
45	60
46	124
47	24
48	66
49	62
50	54
51	96
52	92
53	80
54	64
55	80
56	64
57	88
58	136
59	64
60	76
61	140
62	52
63	70
64	166
65	44
66	104
67	196
68	44

[1, 2, 2, 6, 6, 4, 12, 6, 6, 18, 12, 20, 26, 28, 20, 20, 34, 4, 30, 44, 20, 48, 44, 20, 20, 38, 16, 42, 62, 40, 56, 48, 34, 24, 72, 40, 70, 112, 36, 56, 68, 44, 40, 124, 60, 60, 124, 24, 66, 62, 54, 96, 92, 80, 64, 80, 64, 88, 136, 64, 76, 140, 52, 70, 166, 44, 104, 196, 44]

cp's OEIS Frontend

A320188 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 7*d^2 = n.

Table of values

List of values

n	a(n)
0	1
1	2
2	2
3	6
4	6
5	4
6	12
7	6
8	6
9	18
10	12
11	20
12	26
13	28
14	20
15	20
16	34
17	4
18	30
19	44
20	20
21	48
22	44
23	20
24	20
25	38
26	16
27	42
28	62
29	40
30	56
31	48
32	34
33	24
34	72
35	40
36	70
37	112
38	36
39	56
40	68
41	44
42	40
43	124
44	60
45	60
46	124
47	24
48	66
49	62
50	54
51	96
52	92
53	80
54	64
55	80
56	64
57	88
58	136
59	64
60	76
61	140
62	52
63	70
64	166
65	44
66	104
67	196
68	44

n	a(n)
0	1
1	2
2	2
3	6
4	6
5	4
6	12
7	6
8	6
9	18
10	12
11	20
12	26
13	28
14	20
15	20
16	34
17	4
18	30
19	44
20	20
21	48
22	44
23	20
24	20
25	38
26	16
27	42
28	62
29	40
30	56
31	48
32	34
33	24
34	72
35	40
36	70
37	112
38	36
39	56
40	68
41	44
42	40
43	124
44	60
45	60
46	124
47	24
48	66
49	62
50	54
51	96
52	92
53	80
54	64
55	80
56	64
57	88
58	136
59	64
60	76
61	140
62	52
63	70
64	166
65	44
66	104
67	196
68	44

cp's OEIS Frontend

A320188 Number of integer solutions to a^2 + 2*b^2 + 3*c^2 + 7*d^2 = n.

Table of values

List of values

A320188 Number of integer solutions to a^2 + 2b^2 + 3c^2 + 7*d^2 = n.

n	a(n)
0	1
1	2
2	2
3	6
4	6
5	4
6	12
7	6
8	6
9	18
10	12
11	20
12	26
13	28
14	20
15	20
16	34
17	4
18	30
19	44
20	20
21	48
22	44
23	20
24	20
25	38
26	16
27	42
28	62
29	40
30	56
31	48
32	34
33	24
34	72
35	40
36	70
37	112
38	36
39	56
40	68
41	44
42	40
43	124
44	60
45	60
46	124
47	24
48	66
49	62
50	54
51	96
52	92
53	80
54	64
55	80
56	64
57	88
58	136
59	64
60	76
61	140
62	52
63	70
64	166
65	44
66	104
67	196
68	44