0,2

The Hankel transform of this sequence is 3^n (see A000244) .

Row sums of triangle in A124575 .

Sequence in context: A027140 A110309 A101106 this_sequence A047891 A151498 A103370

Adjacent sequences: A133155 A133156 A133157 this_sequence A133159 A133160 A133161

nonn

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 08 2007