0,2

a(n)=(4*6^n+1)/5 G.f. (1-2x)/((1-6x)(1-x)) E.g.f. (4*exp(6x)+exp(x))/5

Cf. A083065, A083067.

Sequence in context: A122370 A088349 A137625 this_sequence A139174 A081336 A059231

Adjacent sequences: A083063 A083064 A083065 this_sequence A083067 A083068 A083069

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Apr 21 2003