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

Author

Jonathan Vos Post, Nov 17 2004

Keywords

• easy
• nonn

Comments

The next term has 163 digits.

Crossrefs

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

Programs

Mathematica

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