A252070 - cp's OEIS frontend

A252070 Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4.

n	a(n)
1	183
2	419
3	1497
4	5085
5	17455
6	60245
7	206747
8	711749
9	2455039
10	8451165
11	29078125
12	100127009
13	344830169
14	1187280673
15	4087598979
16	14073866379
17	48459148697
18	166851565147
19	574482172193
20	1977991833479
21	6810453196661
22	23449166058617

[183, 419, 1497, 5085, 17455, 60245, 206747, 711749, 2455039, 8451165, 29078125, 100127009, 344830169, 1187280673, 4087598979, 14073866379, 48459148697, 166851565147, 574482172193, 1977991833479, 6810453196661, 23449166058617]

cp's OEIS Frontend

A252070 Number of (n+2)X(3+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 or 4.

Table of values

List of values