A264487 - cp's OEIS frontend

A264487 Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0.

n	a(n)
1	1
2	8
3	108
4	788
5	21466
6	142352
7	2870927
8	30309632
9	463508815
10	5517128232
11	80746395988
12	996650042932
13	14098841570856
14	180039273539208
15	2481030453759277
16	32286677930222166
17	438951446059251344

[1, 8, 108, 788, 21466, 142352, 2870927, 30309632, 463508815, 5517128232, 80746395988, 996650042932, 14098841570856, 180039273539208, 2481030453759277, 32286677930222166, 438951446059251344]

cp's OEIS Frontend

A264487 Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-1 1,0 2,1 0,-1 -2,-2 or -1,0.

Table of values

List of values