A266127 - cp's OEIS frontend

A266127 Number of n X 4 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

n	a(n)
1	5
2	49
3	117
4	572
5	4336
6	19750
7	102201
8	620508
9	3041449
10	16217839
11	93738044
12	476322405
13	2546428711
14	14301936049
15	74467601183
16	398781566199
17	2199927226366
18	11619003130461
19	62319679692416
20	340185096129345
21	1811374715345253

[5, 49, 117, 572, 4336, 19750, 102201, 620508, 3041449, 16217839, 93738044, 476322405, 2546428711, 14301936049, 74467601183, 398781566199, 2199927226366, 11619003130461, 62319679692416, 340185096129345, 1811374715345253]

cp's OEIS Frontend

A266127 Number of n X 4 integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

Table of values

List of values