A307510 - cp's OEIS frontend

A307510 a(n) is the greatest product ijk*l where i^2 + j^2 + k^2 + l^2 = n and 0 <= i <= j <= k <= l.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	0
9	0
10	4
11	0
12	3
13	8
14	0
15	6
16	16
17	0
18	12
19	4
20	9
21	24
22	8
23	18
24	0
25	16
26	36
27	12
28	32
29	0
30	24
31	54
32	0
33	48
34	20
35	36
36	81
37	40
38	72
39	30
40	64
41	0
42	60
43	108
44	45
45	96
46	40
47	90
48	48
49	80
50	144
51	60
52	135
53	72
54	120
55	54
56	0
57	192
58	108
59	180
60	96
61	160
62	72
63	162
64	256
65	144
66	240
67	100

[0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 4, 0, 3, 8, 0, 6, 16, 0, 12, 4, 9, 24, 8, 18, 0, 16, 36, 12, 32, 0, 24, 54, 0, 48, 20, 36, 81, 40, 72, 30, 64, 0, 60, 108, 45, 96, 40, 90, 48, 80, 144, 60, 135, 72, 120, 54, 0, 192, 108, 180, 96, 160, 72, 162, 256, 144, 240, 100]

cp's OEIS Frontend

A307510 a(n) is the greatest product ijk*l where i^2 + j^2 + k^2 + l^2 = n and 0 <= i <= j <= k <= l.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	0
9	0
10	4
11	0
12	3
13	8
14	0
15	6
16	16
17	0
18	12
19	4
20	9
21	24
22	8
23	18
24	0
25	16
26	36
27	12
28	32
29	0
30	24
31	54
32	0
33	48
34	20
35	36
36	81
37	40
38	72
39	30
40	64
41	0
42	60
43	108
44	45
45	96
46	40
47	90
48	48
49	80
50	144
51	60
52	135
53	72
54	120
55	54
56	0
57	192
58	108
59	180
60	96
61	160
62	72
63	162
64	256
65	144
66	240
67	100

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	0
9	0
10	4
11	0
12	3
13	8
14	0
15	6
16	16
17	0
18	12
19	4
20	9
21	24
22	8
23	18
24	0
25	16
26	36
27	12
28	32
29	0
30	24
31	54
32	0
33	48
34	20
35	36
36	81
37	40
38	72
39	30
40	64
41	0
42	60
43	108
44	45
45	96
46	40
47	90
48	48
49	80
50	144
51	60
52	135
53	72
54	120
55	54
56	0
57	192
58	108
59	180
60	96
61	160
62	72
63	162
64	256
65	144
66	240
67	100

cp's OEIS Frontend

A307510 a(n) is the greatest product i*j*k*l where i^2 + j^2 + k^2 + l^2 = n and 0 <= i <= j <= k <= l.

Table of values

List of values

A307510 a(n) is the greatest product ijk*l where i^2 + j^2 + k^2 + l^2 = n and 0 <= i <= j <= k <= l.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	0
9	0
10	4
11	0
12	3
13	8
14	0
15	6
16	16
17	0
18	12
19	4
20	9
21	24
22	8
23	18
24	0
25	16
26	36
27	12
28	32
29	0
30	24
31	54
32	0
33	48
34	20
35	36
36	81
37	40
38	72
39	30
40	64
41	0
42	60
43	108
44	45
45	96
46	40
47	90
48	48
49	80
50	144
51	60
52	135
53	72
54	120
55	54
56	0
57	192
58	108
59	180
60	96
61	160
62	72
63	162
64	256
65	144
66	240
67	100