A251222 - cp's OEIS frontend

A251222 Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

n	a(n)
1	49
2	305
3	1892
4	11753
5	72985
6	453273
7	2814985
8	17482154
9	108570830
10	674266427
11	4187452312
12	26005680486
13	161505221644
14	1003009195172
15	6229070707553
16	38684911434209
17	240248095245952
18	1492032555580773
19	9266092805568853

[49, 305, 1892, 11753, 72985, 453273, 2814985, 17482154, 108570830, 674266427, 4187452312, 26005680486, 161505221644, 1003009195172, 6229070707553, 38684911434209, 240248095245952, 1492032555580773, 9266092805568853]

cp's OEIS Frontend

A251222 Number of (n+1) X (2+1) 0..1 arrays with no 2 X 2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

Table of values

List of values