A212052 - cp's OEIS frontend

A212052 Number of (w,x,y,z) with all terms in {1,...,n} and 4wx=5y*z.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	18
6	26
7	30
8	46
9	52
10	104
11	112
12	148
13	156
14	176
15	278
16	342
17	354
18	406
19	418
20	562
21	602
22	642
23	658
24	794
25	988
26	1040
27	1090
28	1190
29	1210
30	1526
31	1550
32	1726
33	1794
34	1858
35	2152
36	2368
37	2396
38	2468
39	2548
40	2980
41	3012
42	3212
43	3244
44	3408
45	3890
46	3982
47	4018

[0, 0, 0, 0, 0, 18, 26, 30, 46, 52, 104, 112, 148, 156, 176, 278, 342, 354, 406, 418, 562, 602, 642, 658, 794, 988, 1040, 1090, 1190, 1210, 1526, 1550, 1726, 1794, 1858, 2152, 2368, 2396, 2468, 2548, 2980, 3012, 3212, 3244, 3408, 3890, 3982, 4018]

cp's OEIS Frontend

A212052 Number of (w,x,y,z) with all terms in {1,...,n} and 4wx=5y*z.

Table of values

List of values

cp's OEIS Frontend

A212052 Number of (w,x,y,z) with all terms in {1,...,n} and 4w*x=5*y*z.

Table of values

List of values

A212052 Number of (w,x,y,z) with all terms in {1,...,n} and 4wx=5y*z.