OFFSET
1,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (6,0,1,-6).
FORMULA
G.f.: x*(1+x)^2 / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015
MATHEMATICA
With[{nn=30}, Table[FromDigits[PadRight[{}, n, {1, 2, 1}], 6], {n, nn}]] (* Harvey P. Dale, Aug 25 2016 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved