1,2

a(5) = 24 = sum of row 5 terms of triangle A137710: (16 + 4 + 2 + 1 + 1).

Cf. A137710.

Sequence in context: A132974 A132979 A018183 this_sequence A068032 A048719 A115807

Adjacent sequences: A137708 A137709 A137710 this_sequence A137712 A137713 A137714

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 08 2008