A234773 Number of (n+1)X(4+1) 0..4 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both

10076, 247394, 4255966, 110820444, 2206072560, 56840484142, 1188633109208, 30017584986988, 646382184496458, 16032029328041480, 352434920435569028, 8614851033569430806, 192266829283553402376, 4646489175135362221632

Offset

1,1

Comments

Column 4 of A234777

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..3..2..3..2..0....3..4..3..4..3....1..2..1..3..3....1..3..2..2..1
..3..1..0..1..1....2..2..3..2..3....1..0..1..2..1....2..3..4..3..4

Crossrefs

Sequence in context: A292176 A198484 A252200 * A348698 A203865 A145836

Adjacent sequences: A234770 A234771 A234772 * A234774 A234775 A234776

Keyword

nonn

Author

R. H. Hardin, Dec 30 2013

Status

approved