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 A165375 Number of slanted nX6 (i=1..n)X(j=i..6+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 1
 241, 6868, 85841, 755947, 5386897, 33107075, 182659489, 930494139, 4463499425, 20442622131, 90281206769, 387257313995, 1622131788337, 6662496415651, 26917106044481, 107236122222363, 422120504603969, 1644409064133971 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS R. H. Hardin, Table of n, a(n) for n=2..22 EXAMPLE One solution for n=19 ...1.2.2.2.2.2.................................... .....2.2.2.2.2.2.................................. .......2.2.2.2.2.2................................ .........2.2.2.2.2.2.............................. ...........2.2.2.2.2.2............................ .............2.2.2.2.2.2.......................... ...............2.2.2.2.2.2........................ .................2.2.2.2.2.2...................... ...................2.2.2.2.2.3.................... .....................2.2.2.3.3.3.................. .......................2.3.3.3.3.3................ .........................3.3.3.3.4.4.............. ...........................3.3.3.3.4.4............ .............................3.3.3.3.4.4.......... ...............................3.3.3.3.4.4........ .................................3.3.3.3.4.4...... ...................................3.3.3.3.4.4.... .....................................3.3.3.3.4.4.. .......................................3.3.3.3.4.4 CROSSREFS Sequence in context: A165383 A006687 A060893 * A183887 A007205 A008349 Adjacent sequences:  A165372 A165373 A165374 * A165376 A165377 A165378 KEYWORD nonn AUTHOR R. H. Hardin Sep 17 2009 STATUS approved

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Last modified February 28 00:58 EST 2020. Contains 332319 sequences. (Running on oeis4.)