0,2

a(3) = 18 = sum of row 3 terms of triangle A134634: (5 + 4 + 4 + 5).

Cf. A134634.

Sequence in context: A072853 A025192 A008776 this_sequence A114464 A062415 A086680

Adjacent sequences: A134632 A134633 A134634 this_sequence A134636 A134637 A134638

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 04 2007