A212742 - cp's OEIS frontend

A212742 Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<=2*min{w,x,y,z}.

n	a(n)
0	1
1	2
2	17
3	32
4	97
5	162
6	337
7	512
8	881
9	1250
10	1921
11	2592
12	3697
13	4802
14	6497
15	8192
16	10657
17	13122
18	16561
19	20000
20	24641
21	29282
22	35377
23	41472
24	49297
25	57122
26	66977
27	76832
28	89041
29	101250
30	116161
31	131072
32	149057
33	167042
34	188497
35	209952
36	235297

[1, 2, 17, 32, 97, 162, 337, 512, 881, 1250, 1921, 2592, 3697, 4802, 6497, 8192, 10657, 13122, 16561, 20000, 24641, 29282, 35377, 41472, 49297, 57122, 66977, 76832, 89041, 101250, 116161, 131072, 149057, 167042, 188497, 209952, 235297]

cp's OEIS Frontend

A212742 Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<=2*min{w,x,y,z}.

Table of values

List of values