A267121 - cp's OEIS frontend

A267121 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with xyz(x+9y+11z+10w) a square, where x is a positive integer and y,z,w are nonnegative integers.

n	a(n)
1	1
2	3
3	2
4	1
5	6
6	7
7	1
8	3
9	7
10	7
11	6
12	2
13	6
14	12
15	1
16	1
17	12
18	10
19	7
20	6
21	13
22	7
23	2
24	7
25	8
26	19
27	8
28	1
29	18
30	12
31	2
32	3
33	14
34	15
35	13
36	7
37	7
38	18
39	1
40	7
41	25
42	14
43	6
44	6
45	19
46	13
47	2
48	2
49	14
50	22
51	12
52	6
53	18
54	27
55	4
56	12
57	13
58	9
59	19
60	1
61	18
62	25
63	5
64	1
65	24
66	26
67	6
68	12
69	26
70	14
71	2
72	10
73	16
74	31
75	16
76	7
77	24
78	13
79	4
80	6

[1, 3, 2, 1, 6, 7, 1, 3, 7, 7, 6, 2, 6, 12, 1, 1, 12, 10, 7, 6, 13, 7, 2, 7, 8, 19, 8, 1, 18, 12, 2, 3, 14, 15, 13, 7, 7, 18, 1, 7, 25, 14, 6, 6, 19, 13, 2, 2, 14, 22, 12, 6, 18, 27, 4, 12, 13, 9, 19, 1, 18, 25, 5, 1, 24, 26, 6, 12, 26, 14, 2, 10, 16, 31, 16, 7, 24, 13, 4, 6]

cp's OEIS Frontend

A267121 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with xyz(x+9y+11z+10w) a square, where x is a positive integer and y,z,w are nonnegative integers.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	1
5	6
6	7
7	1
8	3
9	7
10	7
11	6
12	2
13	6
14	12
15	1
16	1
17	12
18	10
19	7
20	6
21	13
22	7
23	2
24	7
25	8
26	19
27	8
28	1
29	18
30	12
31	2
32	3
33	14
34	15
35	13
36	7
37	7
38	18
39	1
40	7
41	25
42	14
43	6
44	6
45	19
46	13
47	2
48	2
49	14
50	22
51	12
52	6
53	18
54	27
55	4
56	12
57	13
58	9
59	19
60	1
61	18
62	25
63	5
64	1
65	24
66	26
67	6
68	12
69	26
70	14
71	2
72	10
73	16
74	31
75	16
76	7
77	24
78	13
79	4
80	6

n	a(n)
1	1
2	3
3	2
4	1
5	6
6	7
7	1
8	3
9	7
10	7
11	6
12	2
13	6
14	12
15	1
16	1
17	12
18	10
19	7
20	6
21	13
22	7
23	2
24	7
25	8
26	19
27	8
28	1
29	18
30	12
31	2
32	3
33	14
34	15
35	13
36	7
37	7
38	18
39	1
40	7
41	25
42	14
43	6
44	6
45	19
46	13
47	2
48	2
49	14
50	22
51	12
52	6
53	18
54	27
55	4
56	12
57	13
58	9
59	19
60	1
61	18
62	25
63	5
64	1
65	24
66	26
67	6
68	12
69	26
70	14
71	2
72	10
73	16
74	31
75	16
76	7
77	24
78	13
79	4
80	6

cp's OEIS Frontend

A267121 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with x*y*z*(x+9*y+11*z+10*w) a square, where x is a positive integer and y,z,w are nonnegative integers.

Table of values

List of values

A267121 Number of ordered ways to write n as x^2 + y^2 + z^2 + w^2 with xyz(x+9y+11z+10w) a square, where x is a positive integer and y,z,w are nonnegative integers.

n	a(n)
1	1
2	3
3	2
4	1
5	6
6	7
7	1
8	3
9	7
10	7
11	6
12	2
13	6
14	12
15	1
16	1
17	12
18	10
19	7
20	6
21	13
22	7
23	2
24	7
25	8
26	19
27	8
28	1
29	18
30	12
31	2
32	3
33	14
34	15
35	13
36	7
37	7
38	18
39	1
40	7
41	25
42	14
43	6
44	6
45	19
46	13
47	2
48	2
49	14
50	22
51	12
52	6
53	18
54	27
55	4
56	12
57	13
58	9
59	19
60	1
61	18
62	25
63	5
64	1
65	24
66	26
67	6
68	12
69	26
70	14
71	2
72	10
73	16
74	31
75	16
76	7
77	24
78	13
79	4
80	6