A218516 - cp's OEIS frontend

A218516 Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 n X 2 array.

n	a(n)
1	4
2	36
3	236
4	1528
5	9858
6	63592
7	410218
8	2646208
9	17069998
10	110114102
11	710317326
12	4582071648
13	29557748082
14	190669317026
15	1229957991200
16	7934137929012
17	51181052626992
18	330155610028966
19	2129747655406998
20	13738446168804038

[4, 36, 236, 1528, 9858, 63592, 410218, 2646208, 17069998, 110114102, 710317326, 4582071648, 29557748082, 190669317026, 1229957991200, 7934137929012, 51181052626992, 330155610028966, 2129747655406998, 13738446168804038]

cp's OEIS Frontend

A218516 Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 n X 2 array.

Table of values

List of values