OFFSET
0,1
COMMENTS
a(n) mod 10 == 1 (the least significant decimal digit of each term is 1).
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..50
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (4084101).
FORMULA
a(n) = 4084101*a(n-1), a(0)=21. - Vincenzo Librandi, May 27 2011
MATHEMATICA
NestList[4084101#&, 21, 10] (* Harvey P. Dale, Apr 17 2013 *)
PROG
(Magma) [21^(5*n+1): n in [0..10]]; // Vincenzo Librandi, May 27 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved