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A234772 Number of (n+1)X(3+1) 0..4 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both 1
2056, 28840, 301776, 4255966, 49077768, 678552840, 8058197452, 109362379520, 1321852668660, 17679539166428, 216465813530752, 2862957285500140, 35397862176906684, 464184948090425520, 5782110121303095708 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A234777

LINKS

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

R. H. Hardin, Empirical recurrence of order 52

FORMULA

Empirical recurrence of order 52 (see link above)

EXAMPLE

Some solutions for n=2

..0..0..3..3....3..3..2..2....3..1..4..2....2..1..1..1....4..4..4..4

..2..1..2..4....2..1..1..0....3..2..3..2....2..0..2..3....3..2..3..2

..3..3..3..3....2..3..2..2....4..2..4..1....1..0..1..3....3..4..4..2

CROSSREFS

Sequence in context: A252187 A252509 A250331 * A168227 A321488 A074996

Adjacent sequences:  A234769 A234770 A234771 * A234773 A234774 A234775

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 30 2013

STATUS

approved

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Last modified September 21 21:32 EDT 2021. Contains 347605 sequences. (Running on oeis4.)