A212065 - cp's OEIS frontend

A212065 Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=xyz.

n	a(n)
0	0
1	1
2	12
3	57
4	185
5	459
6	974
7	1830
8	3168
9	5158
10	7957
11	11766
12	16830
13	23378
14	31689
15	42041
16	54774
17	70218
18	88757
19	110720
20	136558
21	166715
22	201620
23	241761
24	287646
25	339854
26	398829
27	465198
28	539557
29	622513
30	714762
31	816892
32	929637
33	1053742

[0, 1, 12, 57, 185, 459, 974, 1830, 3168, 5158, 7957, 11766, 16830, 23378, 31689, 42041, 54774, 70218, 88757, 110720, 136558, 166715, 201620, 241761, 287646, 339854, 398829, 465198, 539557, 622513, 714762, 816892, 929637, 1053742]

cp's OEIS Frontend

A212065 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

A212065 Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=x*y*z.

Table of values

List of values

A212065 Number of (w,x,y,z) with all terms in {1,...,n} and w^2<=xyz.