OFFSET
0,1
REFERENCES
R. K. Guy, personal communication.
LINKS
Index entries for linear recurrences with constant coefficients, signature (3,-1,2,-2).
FORMULA
G.f.: ( 2+x^2-x^3 ) / ( 1-3*x+x^2-2*x^3+2*x^4 ). - R. J. Mathar, Feb 11 2016
MATHEMATICA
LinearRecurrence[{3, -1, 2, -2}, {2, 6, 17, 48}, 30] (* Harvey P. Dale, May 13 2019 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved