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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
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
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.)