A186121 - cp's OEIS frontend

A186121 Number of (n+1) X 3 binary arrays with every 2 X 2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

n	a(n)
1	14
2	38
3	94
4	254
5	682
6	1878
7	5214
8	14606
9	41138
10	116350
11	330046
12	938174
13	2670826
14	7611430
15	21707790
16	61943694
17	176825074
18	504902766
19	1441965358
20	4118707422
21	11765461418
22	33611411190
23	96025298558
24	274346613774
25	783834214130

[14, 38, 94, 254, 682, 1878, 5214, 14606, 41138, 116350, 330046, 938174, 2670826, 7611430, 21707790, 61943694, 176825074, 504902766, 1441965358, 4118707422, 11765461418, 33611411190, 96025298558, 274346613774, 783834214130]

cp's OEIS Frontend

A186121 Number of (n+1) X 3 binary arrays with every 2 X 2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum.

Table of values

List of values