A026307 a(n) = T(n,[ n/2 ]), where T is the array in A026300.

1, 1, 2, 3, 9, 14, 44, 70, 230, 369, 1242, 2002, 6853, 11076, 38376, 62127, 217242, 352070, 1239980, 2010998, 7123765, 11559030, 41141916, 66780155, 238637282, 387444085, 1389206210, 2255875650, 8112107475, 13174629240, 47495492400

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A026300.

Extensions

The last term was obviously incorrect and has now been deleted. - N. J. A. Sloane, Oct 29 2006