A205248 - cp's OEIS frontend

A205248 Number of (n+1) X 2 0..1 arrays with the number of clockwise edge increases in every 2 X 2 subblock the same.

n	a(n)
1	16
2	40
3	112
4	328
5	976
6	2920
7	8752
8	26248
9	78736
10	236200
11	708592
12	2125768
13	6377296
14	19131880
15	57395632
16	172186888
17	516560656
18	1549681960
19	4649045872
20	13947137608
21	41841412816
22	125524238440
23	376572715312
24	1129718145928
25	3389154437776

[16, 40, 112, 328, 976, 2920, 8752, 26248, 78736, 236200, 708592, 2125768, 6377296, 19131880, 57395632, 172186888, 516560656, 1549681960, 4649045872, 13947137608, 41841412816, 125524238440, 376572715312, 1129718145928, 3389154437776]

cp's OEIS Frontend

A205248 Number of (n+1) X 2 0..1 arrays with the number of clockwise edge increases in every 2 X 2 subblock the same.

Table of values

List of values