A234792 Number of (n+1)X(4+1) 0..3 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases

371976, 102517088, 25695321008, 6215062828960, 1482624037868512, 351765183794721104, 83279814838224225520, 19699545274283046003568, 4658282040734522694123168, 1101379825120738214880175200

Offset

1,1

Comments

Column 4 of A234796

Links

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

R. H. Hardin, Empirical recurrence of order 66

Formula

Empirical recurrence of order 66 (see link above)

Example

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

Crossrefs

Sequence in context: A291638 A219284 A017537 * A234382 A178288 A250456

Adjacent sequences: A234789 A234790 A234791 * A234793 A234794 A234795

Keyword

nonn

Author

R. H. Hardin, Dec 30 2013

Status

approved