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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
OFFSET
0,1
COMMENTS
The next term has 163 digits.
MATHEMATICA
NestList[#/6*(145#^3-280#^2+179#-38)&, 2, 3] (* Harvey P. Dale, Apr 09 2015 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, Nov 17 2004
STATUS
approved