A142873 A bisection of A142866.

1, 3, 12, 48, 210, 947, 4510, 22406, 116506

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Crossrefs

Sequence in context: A283679 A165328 A351282 * A301578 A151168 A151169

Adjacent sequences: A142870 A142871 A142872 * A142874 A142875 A142876

Keyword

nonn

Author

N. J. A. Sloane, Oct 03 2008

Status

approved