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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, 0, 41, 744, 13682, 252538, 6854851, 164812860, 3910715845, 93559893342, 2237836782957, 53523158868734, 1280239234256052, 30622982026043674, 732499733448014272, 17521416005086345402
OFFSET
1,4
COMMENTS
Row 5 of A221787.
CROSSREFS
Cf. A221787.
Sequence in context: A163039 A060563 A200914 * A299552 A246642 A167737
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2013
STATUS
approved