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 A195283 Number of lower triangles of a 7X7 integer array with each element differing from all of its vertical and horizontal neighbors by n or less and triangles differing by a constant counted only once 1
 48439766655, 30812488814662125, 241338657495589799523, 203368493873412168605037, 44727914263743356875711779, 4011033701337366560359871745, 189393562987102056163761489375 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A195278 LINKS R. H. Hardin, Table of n, a(n) for n = 1..8 EXAMPLE Some solutions for n=5 ...0.....................0.....................0 ..-2.-6.................-1..2.................-5-10 ...1.-4.-2..............-6.-3.-6..............-2.-5.-1 ...1.-2..2..7...........-2.-4.-3.-1...........-7.-6.-5..0 ..-2.-7.-2..3.-2.........3..0..1..3..0........-9.-8.-8.-5.-9 ..-6-10.-6.-1.-5.-4......8..3..0.-1.-5-10.....-8.-6.-5.-9-12-17 ..-6.-8.-3..1..0.-4.-3...4..2..4..2.-3.-5.-2.-13-11.-7.-5.-7-12-13 CROSSREFS Sequence in context: A003940 A003933 A092381 * A179228 A084482 A216019 Adjacent sequences:  A195280 A195281 A195282 * A195284 A195285 A195286 KEYWORD nonn AUTHOR R. H. Hardin Sep 14 2011 STATUS approved

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