A100012 - OEIS (original) (raw)

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.

0

2, 120, 4930988840, 14287387711051307292599794275187472361080

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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