A212056 - cp's OEIS frontend

A212056 Number of (w,x,y,z) with all terms in {1,...,n} and wx>yz+2.

n	a(n)
0	0
1	0
2	1
3	19
4	80
5	230
6	521
7	1019
8	1800
9	2966
10	4593
11	6819
12	9768
13	13566
14	18353
15	24339
16	31640
17	40478
18	51025
19	63523
20	78168
21	95230
22	114881
23	137459
24	163184
25	192374
26	225265
27	262251
28	303568
29	349606
30	400633
31	457099
32	519280
33	587654
34	662481

[0, 0, 1, 19, 80, 230, 521, 1019, 1800, 2966, 4593, 6819, 9768, 13566, 18353, 24339, 31640, 40478, 51025, 63523, 78168, 95230, 114881, 137459, 163184, 192374, 225265, 262251, 303568, 349606, 400633, 457099, 519280, 587654, 662481]

cp's OEIS Frontend

A212056 Number of (w,x,y,z) with all terms in {1,...,n} and wx>yz+2.

Table of values

List of values

cp's OEIS Frontend

A212056 Number of (w,x,y,z) with all terms in {1,...,n} and w*x>y*z+2.

Table of values

List of values

A212056 Number of (w,x,y,z) with all terms in {1,...,n} and wx>yz+2.