A212898 - cp's OEIS frontend

A212898 Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.

n	a(n)
0	1
1	16
2	81
3	254
4	609
5	1234
6	2215
7	3640
8	5599
9	8182
10	11479
11	15580
12	20575
13	26554
14	33607
15	41824
16	51295
17	62110
18	74359
19	88132
20	103519
21	120610
22	139495
23	160264
24	183007
25	207814
26	234775
27	263980
28	295519
29	329482
30	365959
31	405040
32	446815
33	491374

[1, 16, 81, 254, 609, 1234, 2215, 3640, 5599, 8182, 11479, 15580, 20575, 26554, 33607, 41824, 51295, 62110, 74359, 88132, 103519, 120610, 139495, 160264, 183007, 207814, 234775, 263980, 295519, 329482, 365959, 405040, 446815, 491374]

cp's OEIS Frontend

A212898 Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.

Table of values

List of values