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A278796 Number of nX5 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes. 1
456, 468496, 263134490, 118098679534, 44796204800108, 14688350983557860, 4251350673984802232, 1107217648453587546275, 263642550140680566002158, 58107335402584370952018686, 11961631714090690343312623434 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A278798.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=1

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

CROSSREFS

Cf. A278798.

Sequence in context: A282047 A278433 A278551 * A068259 A036271 A061326

Adjacent sequences:  A278793 A278794 A278795 * A278797 A278798 A278799

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 28 2016

STATUS

approved

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Last modified February 22 18:24 EST 2020. Contains 332148 sequences. (Running on oeis4.)