A195972 - cp's OEIS frontend

A195972 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.

n	a(n)
1	3
2	9
3	14
4	23
5	43
6	78
7	139
8	249
9	450
10	815
11	1475
12	2674
13	4859
14	8841
15	16102
16	29359
17	53587
18	97894
19	178971
20	327425
21	599394
22	1097871
23	2011875
24	3688402
25	6764595
26	12410585
27	22775742
28	41808791
29	76765147
30	140977582
31	258949451
32	475718009
33	874068802

[3, 9, 14, 23, 43, 78, 139, 249, 450, 815, 1475, 2674, 4859, 8841, 16102, 29359, 53587, 97894, 178971, 327425, 599394, 1097871, 2011875, 3688402, 6764595, 12410585, 22775742, 41808791, 76765147, 140977582, 258949451, 475718009, 874068802]

cp's OEIS Frontend

A195972 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.

Table of values

List of values