A212062 - cp's OEIS frontend

A212062 Number of (w,x,y,z) with all terms in {1,...,n} and w^2 = xyz.

n	a(n)
0	0
1	1
2	4
3	7
4	16
5	19
6	31
7	34
8	50
9	68
10	80
11	83
12	122
13	125
14	137
15	149
16	185
17	188
18	233
19	236
20	269
21	281
22	293
23	296
24	368
25	410
26	422
27	456
28	489
29	492
30	570
31	573
32	630
33	642
34	654
35	666
36	792
37	795
38	807
39	819
40	891
41	894
42	954
43	957
44	990
45	1047
46	1059
47	1062
48	1191
49	1269
50	1350

[0, 1, 4, 7, 16, 19, 31, 34, 50, 68, 80, 83, 122, 125, 137, 149, 185, 188, 233, 236, 269, 281, 293, 296, 368, 410, 422, 456, 489, 492, 570, 573, 630, 642, 654, 666, 792, 795, 807, 819, 891, 894, 954, 957, 990, 1047, 1059, 1062, 1191, 1269, 1350]

cp's OEIS Frontend

A212062 Number of (w,x,y,z) with all terms in {1,...,n} and w^2 = xyz.

Table of values

List of values

cp's OEIS Frontend

A212062 Number of (w,x,y,z) with all terms in {1,...,n} and w^2 = x*y*z.

Table of values

List of values

A212062 Number of (w,x,y,z) with all terms in {1,...,n} and w^2 = xyz.