A179713 Number of permutations of 1..n with the sequence of sums of 2 adjacent elements having exactly 4 maxima

0, 70, 8820, 320292, 7850304, 156301992, 2749114368, 44604811680, 685421399520

Offset

7,2

Links

Table of n, a(n) for n=7..15.

Crossrefs

Sequence in context: A229477 A213699 A184275 * A330244 A362916 A229776

Adjacent sequences: A179710 A179711 A179712 * A179714 A179715 A179716

Keyword

nonn

Author

R. H. Hardin Jul 25 2010

Status

approved