OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, -4).
FORMULA
a(n)=-4a(n-4).
MATHEMATICA
Differences[LinearRecurrence[{0, 0, 0, -4}, {0, 1, 3, 2}, 60], 2] (* Harvey P. Dale, Mar 19 2012 *)
LinearRecurrence[{0, 0, 0, -4}, {1, -3, -1, -2}, 42] (* Ray Chandler, Aug 03 2015 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Paul Curtz, May 08 2008
EXTENSIONS
Definition corrected by R. J. Mathar, May 09 2008
More terms from Harvey P. Dale, Mar 19 2012
STATUS
approved