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 A250711 Number of (4+1)X(n+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction 1
 10050, 160486, 2003383, 19962956, 171212264, 1307242006, 9230232528, 61126170276, 387004301120, 2358139264124, 13974693194584, 80831674128541, 459221501159086, 2567770538949042, 14188595479850137, 77572100534194499 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A250707 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 93 FORMULA Empirical recurrence of order 93 (see link above) EXAMPLE Some solutions for n=2 ..0..0..2....0..0..1....0..1..0....0..0..2....0..0..1....0..0..1....0..0..1 ..0..1..2....0..0..3....3..0..2....0..0..2....0..0..1....0..1..2....0..0..2 ..0..1..3....0..0..3....0..3..1....0..0..3....2..2..3....0..2..2....0..0..2 ..0..2..2....0..1..2....2..1..3....0..0..3....2..3..3....2..2..2....2..1..2 ..3..2..2....1..1..2....1..3..1....1..2..1....2..3..3....3..3..2....0..3..2 CROSSREFS Sequence in context: A346026 A097648 A188663 * A223431 A203089 A187113 Adjacent sequences: A250708 A250709 A250710 * A250712 A250713 A250714 KEYWORD nonn AUTHOR R. H. Hardin, Nov 26 2014 STATUS approved

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Last modified March 23 23:09 EDT 2023. Contains 361454 sequences. (Running on oeis4.)