A187425 - cp's OEIS frontend

A187425 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.

n	a(n)
1	0
2	175
3	175
4	609
5	1969
6	609
7	3593
8	6512
9	6512
10	3593
11	15055
12	44512
13	46764
14	44512
15	15055
16	76263
17	319792
18	602024
19	602024
20	319792
21	76263
22	353985
23	2142214
24	5254072
25	10014852
26	5254072
27	2142214
28	353985
29	1729733
30	13328138
31	56472058
32	139898890

[0, 175, 175, 609, 1969, 609, 3593, 6512, 6512, 3593, 15055, 44512, 46764, 44512, 15055, 76263, 319792, 602024, 602024, 319792, 76263, 353985, 2142214, 5254072, 10014852, 5254072, 2142214, 353985, 1729733, 13328138, 56472058, 139898890]

cp's OEIS Frontend

A187425 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.

Table of values

List of values