OFFSET
1,2
LINKS
Lara Pudwell, Systematic Studies in Pattern Avoidance, 2005.
Index entries for linear recurrences with constant coefficients, signature (6,-12,13,-6,1)
FORMULA
G.f.: A(x) = -{x(x-1)^4}/{x^5-6x^4+13x^3-12x^2+6x-1}
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Lara Pudwell, Feb 26 2006
STATUS
approved