0,2

Binomial transform of A053156

a(n)=(3*4^n-2*3^n+2^n)/2 G.f. (1-5x+7x^2)/(2(1-2x)(1-3x)(1-4x)) E.g.f. (3exp(4x)-2exp(3x)+exp(2x))/2

Cf. A083331.

Sequence in context: A122451 A113442 A085732 this_sequence A018902 A095940 A125586

Adjacent sequences: A083327 A083328 A083329 this_sequence A083331 A083332 A083333

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Apr 27 2003