A212020 - cp's OEIS frontend

A212020 Number of (w,x,y,z) with all terms in {1,...,n} and wx=3y*z.

n	a(n)
0	0
1	0
2	0
3	8
4	14
5	18
6	48
7	56
8	74
9	126
10	154
11	166
12	262
13	278
14	318
15	422
16	480
17	500
18	674
19	698
20	800
21	956
22	1024
23	1052
24	1308
25	1378
26	1458
27	1698
28	1852
29	1888
30	2240
31	2280
32	2434
33	2686
34	2794
35	2950
36	3472
37	3520
38	3640
39	3944
40	4234
41	4286
42	4800
43	4856
44	5102
45	5672

[0, 0, 0, 8, 14, 18, 48, 56, 74, 126, 154, 166, 262, 278, 318, 422, 480, 500, 674, 698, 800, 956, 1024, 1052, 1308, 1378, 1458, 1698, 1852, 1888, 2240, 2280, 2434, 2686, 2794, 2950, 3472, 3520, 3640, 3944, 4234, 4286, 4800, 4856, 5102, 5672]

cp's OEIS Frontend

A212020 Number of (w,x,y,z) with all terms in {1,...,n} and wx=3y*z.

Table of values

List of values

cp's OEIS Frontend

A212020 Number of (w,x,y,z) with all terms in {1,...,n} and w*x=3*y*z.

Table of values

List of values

A212020 Number of (w,x,y,z) with all terms in {1,...,n} and wx=3y*z.