0,1
Table of n, a(n) for n=0..14.
J. Wallgren, Hierarchical sequences
Conjectures from Colin Barker, Oct 07 2015: (Start)
a(n) = -53+2^(6+n)-21*n.
a(n) = 4*a(n-1)-5*a(n-2)+2*a(n-3) for n>2.
G.f.: -(10*x+11) / ((x-1)^2*(2*x-1)).
(End)
Sequence in context: A104291 A172495 A003867 * A213840 A110159 A309921
Adjacent sequences: A059132 A059133 A059134 * A059136 A059137 A059138
easy,nonn,more
Jonas Wallgren, Jan 19 2001
approved
