0,3

For n > 0, equals one-half of the row sums of triangle A127126.

Cf. A127126; A127130.

Sequence in context: A074530 A159662 A032035 this_sequence A043301 A141762 A062872

Adjacent sequences: A127124 A127125 A127126 this_sequence A127128 A127129 A127130

nonn

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 05 2007