A235222 Number of (n+1)X(7+1) 0..2 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both

7887229, 16295474229, 29833075851519, 56410299169343241, 105820498283776373809, 198912437212763068495019, 373708297219003416790462043, 702198011506864185365318442983

Offset

1,1

Comments

Column 7 of A235223

Links

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

Example

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

Crossrefs

Sequence in context: A205657 A206186 A205368 * A239588 A210275 A346029

Adjacent sequences: A235219 A235220 A235221 * A235223 A235224 A235225

Keyword

nonn

Author

R. H. Hardin, Jan 05 2014

Status

approved