A221790 Number of 5 X n arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops or left turns.

0, 0, 0, 41, 744, 13682, 252538, 6854851, 164812860, 3910715845, 93559893342, 2237836782957, 53523158868734, 1280239234256052, 30622982026043674, 732499733448014272, 17521416005086345402

Offset

1,4

Comments

Row 5 of A221787.

Links

Table of n, a(n) for n=1..17.

Crossrefs

Cf. A221787.

Sequence in context: A163039 A060563 A200914 * A299552 A246642 A167737

Adjacent sequences: A221787 A221788 A221789 * A221791 A221792 A221793

Keyword

nonn

Author

R. H. Hardin, Jan 25 2013

Status

approved