A234759 Number of (n+1)X(7+1) 0..3 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.

56585338, 237446135146, 738613242438722, 2459819737238954066, 8077924001895128842744, 26609690894048025312611822, 87598290205388887442345353876, 288412121741126213605068521082634

Offset: 1

Author

R. H. Hardin, Dec 30 2013

Keywords

• nonn

Comments

Column 7 of A234760

Examples

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

Links

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