OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
Index entries for linear recurrences with constant coefficients, signature (4,0,1,-4).
FORMULA
G.f.: x*(2+3*x) / ( (x-1)*(4*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 29 2015
MATHEMATICA
Table[FromDigits[PadRight[{}, n, {2, 3, 0}], 4], {n, 30}] (* or *) LinearRecurrence[{4, 0, 1, -4}, {2, 11, 44, 178}, 30] (* Harvey P. Dale, Jul 21 2024 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved