A100012 Let h(k) = a(k)*((145*a(k)^3)-(280*a(k)^2)+(179*a(k))-38)/6, then a(n) = h(a(n-1)) for n >= 1 and a(0) =2.

2, 120, 4930988840, 14287387711051307292599794275187472361080

Offset

0,1

Comments

The next term has 163 digits.

Links

Table of n, a(n) for n=0..3.

Mathematica

NestList[#/6*(145#^3-280#^2+179#-38)&, 2, 3] (* Harvey P. Dale, Apr 09 2015 *)

Crossrefs

Cf. A092182, A007501, A099179, A000332, A006564.

Sequence in context: A100043 A181760 A290247 * A337989 A042799 A281983

Adjacent sequences: A100009 A100010 A100011 * A100013 A100014 A100015

Keyword

easy,nonn

Author

Jonathan Vos Post, Nov 17 2004

Status

approved