A212562 - cp's OEIS frontend

A212562 Number of (w,x,y,z) with all terms in {1,...,n} and w+x<2y+2z.

n	a(n)
0	0
1	1
2	15
3	73
4	228
5	551
6	1137
7	2097
8	3568
9	5701
10	8675
11	12681
12	17940
13	24683
14	33173
15	43681
16	56512
17	71977
18	90423
19	112201
20	137700
21	167311
22	201465
23	240593
24	285168
25	335661
26	392587
27	456457
28	527828
29	607251
30	695325
31	792641
32	899840
33	1017553
34	1146463
35	1287241
36	1440612

[0, 1, 15, 73, 228, 551, 1137, 2097, 3568, 5701, 8675, 12681, 17940, 24683, 33173, 43681, 56512, 71977, 90423, 112201, 137700, 167311, 201465, 240593, 285168, 335661, 392587, 456457, 527828, 607251, 695325, 792641, 899840, 1017553, 1146463, 1287241, 1440612]

cp's OEIS Frontend

A212562 Number of (w,x,y,z) with all terms in {1,...,n} and w+x<2y+2z.

Table of values

List of values