A225971 Number of permutations of [n] having exactly 10 strong fixed blocks.

1, 37, 777, 12270, 163175, 1942929, 21528521, 228041846, 2356747034, 24163001708, 249403489710, 2627573750274, 28640525859359, 327328342356269, 3972468538438185, 51748509141715110, 729042517121700175, 11143605769040625033, 184620160995781020415

Offset

28,2

Comments

See A186373 for the definition of strong fixed blocks.

Links

Alois P. Heinz, Table of n, a(n) for n = 28..470

Formula

a(n) ~ 9 * n! / n^26. - Vaclav Kotesovec, Aug 29 2014

Crossrefs

Column k=10 of A186373.

Sequence in context: A103195 A282927 A220684 * A258463 A320551 A211834

Adjacent sequences: A225968 A225969 A225970 * A225972 A225973 A225974

Keyword

nonn

Author

Alois P. Heinz, May 22 2013

Status

approved