OFFSET
1,1
COMMENTS
R(a(n)) = A086945(n).
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..300
Index entries for linear recurrences with constant coefficients, signature (11, -10).
FORMULA
a(n) = 2*(10^n-2).
a(n) = 11*a(n-1) - 10*a(n-2); a(1)=16, a(2)=196. - Harvey P. Dale, Aug 11 2012
MATHEMATICA
Table[FromDigits[Join[PadRight[{1}, n, 9], {6}]], {n, 20}] (* or *) 2 (10^Range[20] - 2) (* or *) LinearRecurrence[{11, -10}, {16, 196}, 20] (* Harvey P. Dale, Aug 11 2012 *)
PROG
(Magma) [2*(10^n-2): n in [1..20] ]; // Vincenzo Librandi, Aug 22 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ray Chandler, Jul 24 2003
STATUS
approved