OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (111,-1110,1000).
FORMULA
MAPLE
A332148 := n -> 4*((10^(2*n+1)-1)/9+10^n);
MATHEMATICA
Array[4 ((10^(2 # + 1)-1)/9 + 10^#) &, 15, 0]
PROG
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
M. F. Hasler, Feb 09 2020
STATUS
approved