A236809 - cp's OEIS frontend

A236809 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal.

n	a(n)
1	81
2	277
3	277
4	1033
5	1435
6	1033
7	4183
8	8825
9	8825
10	4183
11	17481
12	60187
13	85929
14	60187
15	17481
16	75907
17	410305
18	929447
19	929447
20	410305
21	75907
22	330433
23	2926867
24	9558409
25	16530709
26	9558409
27	2926867
28	330433
29	1468723
30	20377961
31	107087939
32	270610375

[81, 277, 277, 1033, 1435, 1033, 4183, 8825, 8825, 4183, 17481, 60187, 85929, 60187, 17481, 75907, 410305, 929447, 929447, 410305, 75907, 330433, 2926867, 9558409, 16530709, 9558409, 2926867, 330433, 1468723, 20377961, 107087939, 270610375]

cp's OEIS Frontend

A236809 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal.

Table of values

List of values