A212504 - cp's OEIS frontend

A212504 Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>2z.

n	a(n)
0	0
1	0
2	0
3	7
4	24
5	76
6	162
7	333
8	576
9	976
10	1500
11	2275
12	3240
13	4572
14	6174
15	8281
16	10752
17	13888
18	17496
19	21951
20	27000
21	33100
22	39930
23	48037
24	57024
25	67536
26	79092
27	92443
28	107016
29	123676
30	141750
31	162225
32	184320
33	209152
34	235824
35	265591
36	297432

[0, 0, 0, 7, 24, 76, 162, 333, 576, 976, 1500, 2275, 3240, 4572, 6174, 8281, 10752, 13888, 17496, 21951, 27000, 33100, 39930, 48037, 57024, 67536, 79092, 92443, 107016, 123676, 141750, 162225, 184320, 209152, 235824, 265591, 297432]

cp's OEIS Frontend

A212504 Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>2z.

Table of values

List of values