A212145 - cp's OEIS frontend

A212145 Number of (w,x,y,z) with all terms in {1,...,n} and w<2x+y+z.

n	a(n)
0	0
1	1
2	16
3	81
4	255
5	621
6	1285
7	2377
8	4050
9	6481
10	9870
11	14441
12	20441
13	28141
14	37835
15	49841
16	64500
17	82177
18	103260
19	128161
20	157315
21	191181
22	230241
23	275001
24	325990
25	383761
26	448890
27	521977
28	603645
29	694541
30	795335
31	906721
32	1029416
33	1164161

[0, 1, 16, 81, 255, 621, 1285, 2377, 4050, 6481, 9870, 14441, 20441, 28141, 37835, 49841, 64500, 82177, 103260, 128161, 157315, 191181, 230241, 275001, 325990, 383761, 448890, 521977, 603645, 694541, 795335, 906721, 1029416, 1164161]

cp's OEIS Frontend

A212145 Number of (w,x,y,z) with all terms in {1,...,n} and w<2x+y+z.

Table of values

List of values