1,2

a(5) = 8 since row 5 of triangle A141803 = (1 + 2 + 3 + 2 + 0).

Cf. A141803.

Sequence in context: A121369 A125727 A112337 this_sequence A121368 A010073 A126167

Adjacent sequences: A141801 A141802 A141803 this_sequence A141805 A141806 A141807

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 06 2008