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 A216941 Number of side-5 hexagonal 0..n arrays with values nondecreasing E, SW and SE 1
 1256, 618013, 161114424, 25604764159, 2711219461532, 203889639856012, 11433160307353408, 496806510016872628, 17257106038907215436, 491612998466197322739, 11733465162246532370936, 238892822839943208134857 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A216937 LINKS R. H. Hardin, Table of n, a(n) for n = 1..17 EXAMPLE Some solutions for n=1 ..........0.0.0.1.1..................0.0.0.0.0 .........0.0.1.1.1.1................0.0.0.0.0.0 ........0.0.1.1.1.1.1..............0.0.0.0.0.0.0 .......0.1.1.1.1.1.1.1............0.0.0.0.0.0.1.1 ......1.1.1.1.1.1.1.1.1..........0.0.0.0.0.0.1.1.1 .......1.1.1.1.1.1.1.1............0.0.0.0.0.1.1.1 ........1.1.1.1.1.1.1..............0.0.0.1.1.1.1 .........1.1.1.1.1.1................0.1.1.1.1.1 ..........1.1.1.1.1..................1.1.1.1.1 CROSSREFS Sequence in context: A219993 A237562 A304829 * A159726 A048130 A256652 Adjacent sequences: A216938 A216939 A216940 * A216942 A216943 A216944 KEYWORD nonn AUTHOR R. H. Hardin Sep 20 2012 STATUS approved

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Last modified July 17 20:28 EDT 2024. Contains 374377 sequences. (Running on oeis4.)