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 A235215 Number of (n+1)X(n+1) 0..2 arrays with 2X2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both 1
 59, 8029, 6630699, 35761397619, 1222451522196205, 267555894782142697275, 373708297219003416790462043, 3334468644960359597058491153983041, 190004558530774251991615316633649329710105 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A235223 LINKS R. H. Hardin, Table of n, a(n) for n = 1..11 EXAMPLE Some solutions for n=2 ..2..1..1....1..1..0....1..1..0....0..0..1....1..1..1....1..2..1....2..2..2 ..2..0..1....1..1..0....1..1..1....1..2..1....1..1..1....1..2..2....0..1..0 ..2..1..2....1..2..1....2..0..1....0..0..1....0..2..1....1..2..2....2..1..0 CROSSREFS Sequence in context: A198509 A258269 A094489 * A178066 A191947 A188269 Adjacent sequences: A235212 A235213 A235214 * A235216 A235217 A235218 KEYWORD nonn AUTHOR R. H. Hardin, Jan 05 2014 STATUS approved

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Last modified December 3 13:34 EST 2022. Contains 358524 sequences. (Running on oeis4.)