A212688 - cp's OEIS frontend

A212688 Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|>=n+|y-z|.

n	a(n)
0	0
1	0
2	4
3	14
4	44
5	98
6	200
7	356
8	600
9	940
10	1420
11	2050
12	2884
13	3934
14	5264
15	6888
16	8880
17	11256
18	14100
19	17430
20	21340
21	25850
22	31064
23	37004
24	43784
25	51428
26	60060
27	69706
28	80500
29	92470
30	105760
31	120400
32	136544
33	154224
34	173604
35	194718
36	217740

[0, 0, 4, 14, 44, 98, 200, 356, 600, 940, 1420, 2050, 2884, 3934, 5264, 6888, 8880, 11256, 14100, 17430, 21340, 25850, 31064, 37004, 43784, 51428, 60060, 69706, 80500, 92470, 105760, 120400, 136544, 154224, 173604, 194718, 217740]

cp's OEIS Frontend

A212688 Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|>=n+|y-z|.

Table of values

List of values