A252936 - cp's OEIS frontend

A252936 Number of nX6 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.

n	a(n)
1	26
2	176
3	1343
4	10920
5	86488
6	578342
7	2952734
8	11219797
9	32649081
10	76641323
11	153453179
12	273544411
13	447399739
14	685504923
15	998345723
16	1396407899
17	1890177211
18	2490139419
19	3206780283
20	4050585563
21	5032041019
22	6161632411
23	7449845499

[26, 176, 1343, 10920, 86488, 578342, 2952734, 11219797, 32649081, 76641323, 153453179, 273544411, 447399739, 685504923, 998345723, 1396407899, 1890177211, 2490139419, 3206780283, 4050585563, 5032041019, 6161632411, 7449845499]

cp's OEIS Frontend

A252936 Number of nX6 nonnegative integer arrays with upper left 0 and every value within 3 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.

Table of values

List of values