OFFSET
0,1
LINKS
Jonas Wallgren, Hierarchical sequences
Index entries for linear recurrences with constant coefficients, signature (4, -5, 2).
FORMULA
Conjectures from Colin Barker, Oct 07 2015: (Start)
a(n) = 3*(-11 + 2^(4+n) - 3*n) = 3*A109363(n+2).
a(n) = 4*a(n-1) - 5*a(n-2) + 2*a(n-3) for n > 2.
G.f.: 3*(2*x-5) / ((x-1)^2*(2*x-1)).
(End)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonas Wallgren, Jan 19 2001
EXTENSIONS
More terms from Sean A. Irvine, Sep 13 2022
STATUS
approved