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A063270
a(n) = 9^(2n) + 1.
2
2, 82, 6562, 531442, 43046722, 3486784402, 282429536482, 22876792454962, 1853020188851842, 150094635296999122, 12157665459056928802, 984770902183611232882, 79766443076872509863362, 6461081889226673298932242, 523347633027360537213511522
OFFSET
0,1
FORMULA
a(n) = 82*a(n-1) - 81*a(n-2), a(0)=2, a(1)=82. - Harvey P. Dale, Jul 31 2013
MATHEMATICA
9^(2*Range[0, 20])+1 (* or *) LinearRecurrence[{82, -81}, {2, 82}, 20] (* Harvey P. Dale, Jul 31 2013 *)
PROG
(PARI) a(n) = 9^(2*n) + 1;
CROSSREFS
Cf. A063271.
Sequence in context: A197641 A093666 A246002 * A087617 A263365 A140157
KEYWORD
easy,nonn
AUTHOR
Jason Earls, Jul 12 2001
EXTENSIONS
More terms from Harvey P. Dale, Jul 31 2013
STATUS
approved