A235219 Number of (n+1)X(4+1) 0..2 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both

21693, 2667851, 306034401, 35761397619, 4160135051925, 484500703182059, 56410299169343241, 6568304367121299555, 764786841875168425237, 89049089478506554084619, 10368551123666181465422105

Offset

1,1

Comments

Column 4 of A235223

Links

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

R. H. Hardin, Empirical recurrence of order 59

Formula

Empirical recurrence of order 59 (see link above)

Example

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

Crossrefs

Sequence in context: A213870 A247694 A309964 * A232121 A232419 A251033

Adjacent sequences: A235216 A235217 A235218 * A235220 A235221 A235222

Keyword

nonn

Author

R. H. Hardin, Jan 05 2014

Status

approved