A048115 (1/2)*Sum{T(n,i): i=0,1,...,n}, where T is given by A048113.

1, 1, 2, 4, 6, 12, 24, 42, 84, 168, 312, 624, 1248, 2388, 4776, 9552, 18576, 37152, 74304, 145884, 291768, 583536, 1152456, 2304912, 4609824, 9138888, 18277776, 36555552, 72654552, 145309104, 290618208, 578607912

Offset: 3

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A048113.