A252937 - cp's OEIS frontend

A252937 Number of nX7 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	42
2	329
3	3016
4	30818
5	320270
6	2952734
7	21312696
8	113154831
9	440052087
10	1302939451
11	3104860285
12	6297578921
13	11347942213
14	18725672417
15	28900783485
16	42343299609
17	59523244981
18	80910643793
19	106975520237
20	138187898505

[42, 329, 3016, 30818, 320270, 2952734, 21312696, 113154831, 440052087, 1302939451, 3104860285, 6297578921, 11347942213, 18725672417, 28900783485, 42343299609, 59523244981, 80910643793, 106975520237, 138187898505]

cp's OEIS Frontend

A252937 Number of nX7 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