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A087927 Number of ways of arranging the numbers 1 ... 6n into a 6 X n array so there is exactly one local maximum. 0

%I #4 Mar 31 2012 12:35:01

%S 32,1947648,1683453629440,5338455334819710720,

%T 48653237600359922073441120,1080582891996915763252912268789760

%N Number of ways of arranging the numbers 1 ... 6n into a 6 X n array so there is exactly one local maximum.

%Y A row of the array in A087783. Cf. A007846.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 27 2003

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)