A100446 Bisection of A000031.

1, 3, 6, 14, 36, 108, 352, 1182, 4116, 14602, 52488, 190746, 699252, 2581428, 9587580, 35792568, 134219796, 505294128, 1908881900, 7233642930, 27487816992, 104715443852, 399822505524, 1529755490574, 5864062367252, 22517998808028

Offset: 0

Author

N. J. A. Sloane, Nov 21 2004

Keywords

• nonn
• easy

Crossrefs

Cf. A000031, A100447.

Extensions

More terms from Joshua Zucker, May 12 2006