A251124 - cp's OEIS frontend

A251124 Number of (n+1) X (4+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.

n	a(n)
1	72
2	117
3	173
4	266
5	401
6	612
7	938
8	1452
9	2266
10	3565
11	5646
12	8991
13	14379
14	23071
15	37107
16	59788
17	96455
18	155750
19	251656
20	406798
21	657784
22	1063847
23	1720828
24	2783801
25	4503681
26	7286457
27	11789033
28	19074302
29	30862061
30	49935000
31	80795606
32	130729056

[72, 117, 173, 266, 401, 612, 938, 1452, 2266, 3565, 5646, 8991, 14379, 23071, 37107, 59788, 96455, 155750, 251656, 406798, 657784, 1063847, 1720828, 2783801, 4503681, 7286457, 11789033, 19074302, 30862061, 49935000, 80795606, 130729056]

cp's OEIS Frontend

A251124 Number of (n+1) X (4+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.

Table of values

List of values