A180369 A177771(n+3)/6! .

1, 5040, 665280, 29059430400, 8892185702400, 1561112121913344000, 423456034182935917363200000, 368406749739154248105984000000, 516657398319307246483332566876160000000

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Formula

a(n) = sqrt( A177926(n+3) )/720.

Crossrefs

Cf. A178056.

Sequence in context: A291114 A246218 A178140 * A053876 A158050 A063411

Adjacent sequences: A180366 A180367 A180368 * A180370 A180371 A180372

Keyword

nonn

Author

Giovanni Teofilatto, Aug 31 2010

Extensions

Parentheses and indices corrected - R. J. Mathar, Sep 03 2010

Status

approved