OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (111,-1110,1000).
FORMULA
MAPLE
A332139 := n -> (10^(2*n+1)-1)/3+6*10^n;
MATHEMATICA
Array[ (10^(2 # + 1)-1)/3 + 6*10^# &, 15, 0]
LinearRecurrence[{111, -1110, 1000}, {9, 393, 33933}, 20] (* Harvey P. Dale, Sep 17 2020 *)
PROG
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
M. F. Hasler, Feb 09 2020
STATUS
approved