A218051 - cp's OEIS frontend

A218051 Number of n X 1 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..3 n X 1 array.

n	a(n)
1	4
2	4
3	16
4	36
5	94
6	236
7	602
8	1528
9	3882
10	9858
11	25038
12	63592
13	161514
14	410218
15	1041884
16	2646208
17	6720920
18	17069998
19	43354902
20	110114102
21	279671154
22	710317326
23	1804085608
24	4582071648
25	11637685314
26	29557748082
27	75071670020
28	190669317026

[4, 4, 16, 36, 94, 236, 602, 1528, 3882, 9858, 25038, 63592, 161514, 410218, 1041884, 2646208, 6720920, 17069998, 43354902, 110114102, 279671154, 710317326, 1804085608, 4582071648, 11637685314, 29557748082, 75071670020, 190669317026]

cp's OEIS Frontend

A218051 Number of n X 1 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..3 n X 1 array.

Table of values

List of values