A196850 - cp's OEIS frontend

A196850 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.

n	a(n)
1	2
2	11
3	38
4	136
5	496
6	1792
7	6440
8	23306
9	84180
10	303664
11	1096874
12	3960906
13	14299036
14	51633110
15	186437376
16	673147554
17	2430568646
18	8776143806
19	31687921122
20	114416191032
21	413124704992
22	1491673030176
23	5386005309890
24	19447328987316

[2, 11, 38, 136, 496, 1792, 6440, 23306, 84180, 303664, 1096874, 3960906, 14299036, 51633110, 186437376, 673147554, 2430568646, 8776143806, 31687921122, 114416191032, 413124704992, 1491673030176, 5386005309890, 19447328987316]

cp's OEIS Frontend

A196850 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.

Table of values

List of values