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A266030 Number of nX5 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than itself. 1
26, 2142, 121029, 8260441, 576560236, 40462691139, 2834665076351, 198722506983924, 13929598180007373, 976418236686388550, 68443900306049584801, 4797695497529322904934, 336303125797650695641868 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A266033.

LINKS

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

FORMULA

Empirical: a(n) = 26*a(n-1) +2439*a(n-2) +49416*a(n-3) -56167*a(n-4) -12649985*a(n-5) -127610243*a(n-6) +667897799*a(n-7) +14596925971*a(n-8) +33175084480*a(n-9) -622627842689*a(n-10) -217195915228*a(n-11) -2797597679206*a(n-12) +39118892418779*a(n-13) +50905609612027*a(n-14) -223731092142109*a(n-15) -943228345506447*a(n-16) -2054167951865433*a(n-17) +21282243234939385*a(n-18) -10649947128316544*a(n-19) -79484203512254836*a(n-20) +100613962106551044*a(n-21) -60877871917934596*a(n-22) +30591659976484817*a(n-23) +715440011414385224*a(n-24) -982519160665696098*a(n-25) -863137229202711903*a(n-26) +603829772239372805*a(n-27) +423245298865067004*a(n-28) +198899214180023454*a(n-29) -25064940299641188*a(n-30) -49293088357372860*a(n-31) -26977701415236048*a(n-32) -7991248478568952*a(n-33) -1502841310744896*a(n-34) -158446757036256*a(n-35) -2356900848128*a(n-36) +81293593088*a(n-37) +14417416192*a(n-38) for n>41

EXAMPLE

Some solutions for n=3

..0..2..3..1..0....0..0..3..1..0....0..3..2..0..1....0..0..2..0..2

..1..0..3..4..0....2..0..1..1..2....0..0..3..3..0....1..3..3..0..1

..1..2..0..0..1....0..3..2..0..1....0..0..0..3..0....0..2..1..3..0

CROSSREFS

Cf. A266033.

Sequence in context: A206390 A268089 A173949 * A103642 A201623 A087616

Adjacent sequences:  A266027 A266028 A266029 * A266031 A266032 A266033

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

STATUS

approved

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Last modified April 3 23:48 EDT 2020. Contains 333207 sequences. (Running on oeis4.)