A112004 One eighth of sixth column (k=5) of triangle A111999.

90, -8028, 459855, -22166430, 991865875, -43155112000, 1871623083330, -82074799907100, 3670430981817600, -168269191527937500, 7933301574849275625, -385378337023784354250, 19309132829440209380625, -998382450032876448540000, 53277504029278691474812500

Offset: 0

Author

Wolfdieter Lang, Sep 12 2005

Keywords

• sign
• easy

Formula

a(n)=A111999(n+6, 5)/8, n>=0.