A027177 a(n) = A027170(n, floor(n/2)).

1, 3, 10, 19, 42, 76, 156, 283, 570, 1046, 2096, 3890, 7784, 14582, 29168, 55051, 110106, 209062, 418128, 797806, 1595616, 3056868, 6113740, 11752674, 23505352, 45316896, 90633796, 175175816, 350351636, 678639146, 1357278296

Offset

0,2

Links

Table of n, a(n) for n=0..30.

Crossrefs

Sequence in context: A135446 A160002 A294421 * A048343 A056789 A174476

Adjacent sequences: A027174 A027175 A027176 * A027178 A027179 A027180

Keyword

nonn

Author

Clark Kimberling

Status

approved