1,2

Row sums of triangle A128182

a(4) = 20 = sum of row 4 terms of A128182: (2 + 6 + 8 + 4).

Cf. A128182.

Sequence in context: A096005 A050532 A050513 this_sequence A027418 A035508 A018033

Adjacent sequences: A128180 A128181 A128182 this_sequence A128184 A128185 A128186

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 17 2007