A216466 n!! mod n!

0, 0, 0, 3, 8, 15, 48, 105, 384, 945, 3840, 10395, 46080, 135135, 645120, 2027025, 10321920, 34459425, 185794560, 654729075, 3715891200, 13749310575, 81749606400, 316234143225, 1961990553600, 7905853580625, 51011754393600, 213458046676875, 1428329123020800

Offset

0,4

Links

Table of n, a(n) for n=0..28.

Mathematica

Table[Mod[n!!, n!], {n, 0, 30} ]

Crossrefs

Cf. A006882, A000142.

Sequence in context: A151397 A369711 A369983 * A376231 A303259 A192167

Adjacent sequences: A216463 A216464 A216465 * A216467 A216468 A216469

Keyword

nonn

Author

Michel Lagneau, Sep 07 2012

Status

approved