1,2

a(4) = 65 = sum of row 4 terms of triangle A132819: (1 + 18 + 36 + 10).

Cf. A132819.

Sequence in context: A033140 A052927 A012781 this_sequence A026674 A099781 A026872

Adjacent sequences: A132817 A132818 A132819 this_sequence A132821 A132822 A132823

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 02 2007