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 A165388 Number of slanted 5Xn (i=1..5)X(j=i..n+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, and 4 in the lower right corner 0
 7, 168, 4569, 63740, 755947, 7834644, 74493401, 661071448, 5551999772, 44577303412 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS EXAMPLE Some solutions for n=3 ...1.2.2...........1.1.2...........1.1.2...........1.1.2........ .....2.2.2...........1.1.1...........1.2.4...........1.1.1...... .......2.2.2...........1.3.3...........4.4.4...........1.4.4.... .........2.3.4...........3.3.3...........4.4.4...........4.4.4.. ...........3.4.4...........3.4.4...........3.4.4...........3.4.4 ------ ...1.1.2...........1.1.2...........1.1.2...........1.1.2........ .....1.2.2...........2.2.2...........1.1.1...........1.1.1...... .......2.2.3...........2.2.3...........1.1.1...........1.1.3.... .........2.3.4...........3.3.4...........1.3.3...........1.3.4.. ...........3.4.4...........3.4.4...........3.4.4...........3.4.4 ------ ...1.3.2...........1.1.2...........1.2.2...........1.1.2........ .....3.3.3...........1.1.1...........2.2.2...........1.1.1...... .......3.3.3...........3.3.3...........4.4.4...........1.1.1.... .........3.3.3...........3.3.4...........4.4.4...........4.4.4.. ...........3.4.4...........3.4.4...........3.4.4...........3.4.4 CROSSREFS Sequence in context: A192275 A009807 A220991 * A124126 A086373 A162131 Adjacent sequences:  A165385 A165386 A165387 * A165389 A165390 A165391 KEYWORD nonn AUTHOR R. H. Hardin Sep 17 2009 STATUS approved

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Last modified November 28 04:31 EST 2021. Contains 349400 sequences. (Running on oeis4.)