A230703 - cp's OEIS frontend

A230703 Number of (n+3) X (3+3) 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

n	a(n)
1	30
2	244
3	2106
4	16536
5	130446
6	1025430
7	8053490
8	63237238
9	496590056
10	3899177780
11	30617038898
12	240407287782
13	1887698838680
14	14822368917190
15	116386479715646
16	913876264039036
17	7175832414626878
18	56345230976142602
19	442427428831168274

[30, 244, 2106, 16536, 130446, 1025430, 8053490, 63237238, 496590056, 3899177780, 30617038898, 240407287782, 1887698838680, 14822368917190, 116386479715646, 913876264039036, 7175832414626878, 56345230976142602, 442427428831168274]

cp's OEIS Frontend

A230703 Number of (n+3) X (3+3) 0..2 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

Table of values

List of values