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 A224371 Number of nX5 0..2 arrays with rows unimodal and antidiagonals nondecreasing 1
 86, 1915, 26314, 311367, 3607078, 42132769, 495660330, 5848449149, 69064897862, 815702088065, 9633856474182, 113778532335717, 1343744395119438, 15869813554422065, 187424656004529134, 2213510515188443829 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A224374 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 21*a(n-1) -141*a(n-2) +427*a(n-3) -546*a(n-4) +526*a(n-5) -2124*a(n-6) +3302*a(n-7) +2396*a(n-8) +7504*a(n-9) +580*a(n-10) +1632*a(n-11) for n>13 EXAMPLE Some solutions for n=3 ..1..0..0..0..0....0..1..1..1..0....1..0..0..0..0....1..0..0..0..0 ..0..0..2..0..0....2..2..2..1..1....1..2..2..2..2....0..0..1..0..0 ..0..2..2..2..1....2..2..2..1..0....2..2..2..2..1....1..2..2..2..1 CROSSREFS Sequence in context: A223930 A224054 A224307 * A055534 A230783 A017802 Adjacent sequences: A224368 A224369 A224370 * A224372 A224373 A224374 KEYWORD nonn AUTHOR R. H. Hardin Apr 05 2013 STATUS approved

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Last modified August 11 05:00 EDT 2024. Contains 375059 sequences. (Running on oeis4.)