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A195217 Number of lower triangles of an n X n integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by 5 or less and triangles differing by a constant counted only once 0

%I

%S 1,91,51205,189677411,4677360495205,774355028021195459,

%T 863969905606597340602967,6512935591253221256126051469607

%N Number of lower triangles of an n X n integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by 5 or less and triangles differing by a constant counted only once

%C Column 5 of A195220

%e Some solutions for n=5

%e ...0...............0...............0...............0...............0

%e ...3..3............2.-2...........-1.-2...........-3..0............4..1

%e ...2..0..4.........0..3.-1.........1..3.-1.........0..2..3.........6..2..5

%e ..-2..0..2..1......1.-2.-1.-5......5..2..2.-2.....-3.-2.-2.-1......3..5..6..8

%e ...0..3..0.-1..3...0.-1.-5..0.-3...3..1.-2.-3..2...1..0..0.-1.-3...6..5..6..3..3

%K nonn

%O 1,2

%A _R. H. Hardin_ Sep 13 2011

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Last modified August 9 10:09 EDT 2022. Contains 356021 sequences. (Running on oeis4.)