0,2

a(n) = (n^2+11*n+34)/2+(n-2)*2^(n+3); G.f.: 1/((1-2*x)^2*(1-x)^3).

Sequence in context: A086640 A083474 A030440 this_sequence A038739 A038798 A062455

Adjacent sequences: A045886 A045887 A045888 this_sequence A045890 A045891 A045892

easy,nonn

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)