A351581 - cp's OEIS frontend

A351581 Four-column table read by rows giving quadruples of integers [w,x,y,z] with w > 0, x > 1, y > 1 and z > 0 such that y^2 - y - xz = 0 and x^2 = wy, sorted by y then by x.

n	a(n)
1	2
2	2
3	2
4	1
5	3
6	3
7	3
8	2
9	12
10	6
11	3
12	1
13	1
14	2
15	4
16	6
17	4
18	4
19	4
20	3
21	9
22	6
23	4
24	2
25	36
26	12
27	4
28	1
29	5
30	5
31	5
32	4
33	20
34	10
35	5
36	2
37	80
38	20
39	5
40	1
41	6
42	6
43	6
44	5
45	150
46	30
47	6
48	1
49	7
50	7
51	7
52	6
53	28
54	14
55	7
56	3
57	63
58	21
59	7
60	2
61	252
62	42
63	7
64	1
65	2
66	4
67	8
68	14
69	8
70	8
71	8
72	7
73	98
74	28
75	8
76	2
77	392
78	56
79	8
80	1

[2, 2, 2, 1, 3, 3, 3, 2, 12, 6, 3, 1, 1, 2, 4, 6, 4, 4, 4, 3, 9, 6, 4, 2, 36, 12, 4, 1, 5, 5, 5, 4, 20, 10, 5, 2, 80, 20, 5, 1, 6, 6, 6, 5, 150, 30, 6, 1, 7, 7, 7, 6, 28, 14, 7, 3, 63, 21, 7, 2, 252, 42, 7, 1, 2, 4, 8, 14, 8, 8, 8, 7, 98, 28, 8, 2, 392, 56, 8, 1]

cp's OEIS Frontend

A351581 Four-column table read by rows giving quadruples of integers [w,x,y,z] with w > 0, x > 1, y > 1 and z > 0 such that y^2 - y - xz = 0 and x^2 = wy, sorted by y then by x.

Table of values

List of values

n	a(n)
1	2
2	2
3	2
4	1
5	3
6	3
7	3
8	2
9	12
10	6
11	3
12	1
13	1
14	2
15	4
16	6
17	4
18	4
19	4
20	3
21	9
22	6
23	4
24	2
25	36
26	12
27	4
28	1
29	5
30	5
31	5
32	4
33	20
34	10
35	5
36	2
37	80
38	20
39	5
40	1
41	6
42	6
43	6
44	5
45	150
46	30
47	6
48	1
49	7
50	7
51	7
52	6
53	28
54	14
55	7
56	3
57	63
58	21
59	7
60	2
61	252
62	42
63	7
64	1
65	2
66	4
67	8
68	14
69	8
70	8
71	8
72	7
73	98
74	28
75	8
76	2
77	392
78	56
79	8
80	1

n	a(n)
1	2
2	2
3	2
4	1
5	3
6	3
7	3
8	2
9	12
10	6
11	3
12	1
13	1
14	2
15	4
16	6
17	4
18	4
19	4
20	3
21	9
22	6
23	4
24	2
25	36
26	12
27	4
28	1
29	5
30	5
31	5
32	4
33	20
34	10
35	5
36	2
37	80
38	20
39	5
40	1
41	6
42	6
43	6
44	5
45	150
46	30
47	6
48	1
49	7
50	7
51	7
52	6
53	28
54	14
55	7
56	3
57	63
58	21
59	7
60	2
61	252
62	42
63	7
64	1
65	2
66	4
67	8
68	14
69	8
70	8
71	8
72	7
73	98
74	28
75	8
76	2
77	392
78	56
79	8
80	1

cp's OEIS Frontend

A351581 Four-column table read by rows giving quadruples of integers [w,x,y,z] with w > 0, x > 1, y > 1 and z > 0 such that y^2 - y - x*z = 0 and x^2 = w*y, sorted by y then by x.

Table of values

List of values

A351581 Four-column table read by rows giving quadruples of integers [w,x,y,z] with w > 0, x > 1, y > 1 and z > 0 such that y^2 - y - xz = 0 and x^2 = wy, sorted by y then by x.

n	a(n)
1	2
2	2
3	2
4	1
5	3
6	3
7	3
8	2
9	12
10	6
11	3
12	1
13	1
14	2
15	4
16	6
17	4
18	4
19	4
20	3
21	9
22	6
23	4
24	2
25	36
26	12
27	4
28	1
29	5
30	5
31	5
32	4
33	20
34	10
35	5
36	2
37	80
38	20
39	5
40	1
41	6
42	6
43	6
44	5
45	150
46	30
47	6
48	1
49	7
50	7
51	7
52	6
53	28
54	14
55	7
56	3
57	63
58	21
59	7
60	2
61	252
62	42
63	7
64	1
65	2
66	4
67	8
68	14
69	8
70	8
71	8
72	7
73	98
74	28
75	8
76	2
77	392
78	56
79	8
80	1