A196212 - cp's OEIS frontend

A196212 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.

n	a(n)
1	3
2	9
3	20
4	61
5	189
6	544
7	1629
8	4973
9	15040
10	45739
11	140129
12	429448
13	1318027
14	4054639
15	12485046
16	38469569
17	118629261
18	366006920
19	1129623099
20	3487480563
21	10769378230
22	33261326067
23	102741225843
24	317390237024
25	980560274021
26	3029559578685

[3, 9, 20, 61, 189, 544, 1629, 4973, 15040, 45739, 140129, 429448, 1318027, 4054639, 12485046, 38469569, 118629261, 366006920, 1129623099, 3487480563, 10769378230, 33261326067, 102741225843, 317390237024, 980560274021, 3029559578685]

cp's OEIS Frontend

A196212 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.

Table of values

List of values