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 A165389 Number of slanted 6Xn (i=1..6)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
 9, 232, 11449, 272548, 5386897, 92769304, 1484483677, 22335647312, 319719142737 (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.............2.2.2.............2.2.2........ .......2.2.2.............1.1.1.............2.2.2.............2.2.3...... .........2.2.2.............1.4.4.............2.2.2.............2.3.3.... ...........2.3.3.............4.4.4.............3.3.3.............3.3.3.. .............3.4.4.............3.4.4.............3.3.4.............3.4.4 ------ ...1.1.2.............1.1.2.............1.1.2.............1.1.2.......... .....2.2.2.............2.2.2.............1.1.1.............2.2.2........ .......2.2.2.............2.2.2.............1.1.1.............2.2.2...... .........2.2.4.............2.2.3.............1.1.1.............2.4.4.... ...........2.4.4.............2.3.3.............1.1.3.............4.4.4.. .............3.4.4.............3.4.4.............3.3.4.............3.4.4 CROSSREFS Sequence in context: A181205 A152101 A230178 * A153223 A276536 A288683 Adjacent sequences:  A165386 A165387 A165388 * A165390 A165391 A165392 KEYWORD nonn AUTHOR R. H. Hardin Sep 17 2009 STATUS approved

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Last modified January 25 19:00 EST 2022. Contains 350572 sequences. (Running on oeis4.)