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A151638 Number of permutations of 3 indistinguishable copies of 1..n with exactly 8 adjacent element pairs in decreasing order. +0
1
0, 243, 12750255, 40396577931, 41106807537048, 22745757394235250 (list; graph; listen)
OFFSET

3,2

CROSSREFS

Sequence in context: A017429 A017561 A164657 this_sequence A051002 A044987 A031786

Adjacent sequences: A151635 A151636 A151637 this_sequence A151639 A151640 A151641

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) May 29 2009

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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