A212049 - cp's OEIS frontend

A212049 Number of (w,x,y,z) with all terms in {1,...,n} and wx=5y*z.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	18
6	26
7	30
8	38
9	44
10	108
11	116
12	144
13	152
14	172
15	280
16	314
17	326
18	372
19	384
20	564
21	612
22	652
23	668
24	752
25	954
26	1002
27	1056
28	1136
29	1156
30	1528
31	1552
32	1642
33	1718
34	1778
35	2084
36	2250
37	2278
38	2346
39	2430
40	2922
41	2954
42	3150
43	3182
44	3318
45	3830
46	3918
47	3954

[0, 0, 0, 0, 0, 18, 26, 30, 38, 44, 108, 116, 144, 152, 172, 280, 314, 326, 372, 384, 564, 612, 652, 668, 752, 954, 1002, 1056, 1136, 1156, 1528, 1552, 1642, 1718, 1778, 2084, 2250, 2278, 2346, 2430, 2922, 2954, 3150, 3182, 3318, 3830, 3918, 3954]

cp's OEIS Frontend

A212049 Number of (w,x,y,z) with all terms in {1,...,n} and wx=5y*z.

Table of values

List of values

cp's OEIS Frontend

A212049 Number of (w,x,y,z) with all terms in {1,...,n} and w*x=5*y*z.

Table of values

List of values

A212049 Number of (w,x,y,z) with all terms in {1,...,n} and wx=5y*z.