0,3

seq(mul(mul(binomial(2*j, j)/(j+1), j=0..k), k=0..n), n=0..9); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Sep 21 2007

Cf. A000108, A003046.

Cf. A000984.

Sequence in context: A112359 A053848 A134476 this_sequence A060600 A143247 A162536

Adjacent sequences: A055743 A055744 A055745 this_sequence A055747 A055748 A055749

nonn

N. J. A. Sloane (njas(AT)research.att.com), Jul 11 2000