A026687 T(n,[ n/2 ]), T given by A026681.

1, 1, 3, 5, 10, 17, 44, 87, 174, 324, 822, 1707, 3414, 6595, 16604, 35300, 70600, 139114, 348828, 751901, 1503802, 3000177, 7504156, 16322561, 32645122, 65684626, 164014374, 359049028, 718098056, 1453825024, 3625748104

Offset

0,3

Links

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

Crossrefs

Sequence in context: A026621 A366108 A096395 * A283462 A270414 A227208

Adjacent sequences: A026684 A026685 A026686 * A026688 A026689 A026690

Keyword

nonn

Author

Clark Kimberling

Status

approved