OFFSET
1,1
COMMENTS
R(a(n)) = A086943(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
MATHEMATICA
4*10^Range[20] - 8 (* Paolo Xausa, Sep 21 2024 *)
PROG
(Magma) [4*10^n-8: n in [1..25]]; // Vincenzo Librandi, Aug 22 2011
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Ray Chandler, Jul 24 2003
STATUS
approved