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A232905 Number of (n+1)X(5+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally 1
432, 27692, 1825972, 115154048, 7517844304, 485354122160, 31320663237216, 2024849938767040, 130826030730696144, 8452502440791870368, 546148846629471163136, 35288014319342183094576, 2280040329256855303811792 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A232908

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 30*a(n-1) +873*a(n-2) +69495*a(n-3) +866209*a(n-4) +21470200*a(n-5) -18907782*a(n-6) +2288922926*a(n-7) -17008060399*a(n-8) +175266608090*a(n-9) -1404853187879*a(n-10) +7270460293375*a(n-11) -33996137087269*a(n-12) +98994746257608*a(n-13) -249827572963076*a(n-14) +1112688163496996*a(n-15) -5640651621370116*a(n-16) +7041588254771264*a(n-17) +1919878834793920*a(n-18) +23490661161302080*a(n-19) -60365548542231296*a(n-20) -15999446979024384*a(n-21) +26128726800941312*a(n-22) -21473298342000384*a(n-23) +172863368377786368*a(n-24) +337889099667988480*a(n-25) +41253935147253760*a(n-26) -65455034362691584*a(n-27) +21767970681257984*a(n-28) +26016245392343040*a(n-29) -5214678607200256*a(n-30) -3666850810429440*a(n-31) -457053239771136*a(n-32) -35734127902720*a(n-33) -4398046511104*a(n-34) for n>35

EXAMPLE

Some solutions for n=2

..2..1..2..2..0..1....0..1..1..2..1..0....2..1..1..0..1..2....0..1..0..0..2..1

..0..1..1..0..2..0....2..0..0..2..1..2....0..2..2..1..2..0....2..1..1..1..0..0

..2..1..0..0..1..2....0..1..2..0..1..0....2..1..0..0..1..2....2..2..2..2..1..2

CROSSREFS

Sequence in context: A223688 A269183 A228105 * A282752 A290180 A281986

Adjacent sequences:  A232902 A232903 A232904 * A232906 A232907 A232908

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 02 2013

STATUS

approved

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Last modified July 23 00:43 EDT 2019. Contains 325228 sequences. (Running on oeis4.)