A253220 - cp's OEIS frontend

A253220 Number of n X 5 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 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	6
2	25
3	102
4	268
5	268
6	3568
7	16028
8	40238
9	77063
10	126673
11	189083
12	264293
13	352303
14	453113
15	566723
16	693133
17	832343
18	984353
19	1149163
20	1326773
21	1517183
22	1720393
23	1936403
24	2165213
25	2406823
26	2661233
27	2928443
28	3208453
29	3501263
30	3806873
31	4125283

[6, 25, 102, 268, 268, 3568, 16028, 40238, 77063, 126673, 189083, 264293, 352303, 453113, 566723, 693133, 832343, 984353, 1149163, 1326773, 1517183, 1720393, 1936403, 2165213, 2406823, 2661233, 2928443, 3208453, 3501263, 3806873, 4125283]

cp's OEIS Frontend

A253220 Number of n X 5 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 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