A206233 - cp's OEIS frontend

A206233 Number of (n+1) X 4 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order.

n	a(n)
1	310
2	1136
3	4456
4	27168
5	133392
6	607008
7	3503136
8	17206032
9	78302496
10	451903008
11	2219576592
12	10101020448
13	58295486496
14	286325378832
15	1303031636256
16	7520117756448
17	36935973867792
18	168091081075488
19	970095190580256

[310, 1136, 4456, 27168, 133392, 607008, 3503136, 17206032, 78302496, 451903008, 2219576592, 10101020448, 58295486496, 286325378832, 1303031636256, 7520117756448, 36935973867792, 168091081075488, 970095190580256]

cp's OEIS Frontend

A206233 Number of (n+1) X 4 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order.

Table of values

List of values