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A032097 "BHK" (reversible, identity, unlabeled) transform of 2,1,1,1... 1
2, 2, 5, 14, 39, 107, 289, 772, 2047, 5402, 14213, 37325, 97905, 256622, 672337, 1760998, 4611643, 12075527, 31617521, 82781216, 216732891, 567428402, 1485570025, 3889310329, 10182407329, 26657986682 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

C. G. Bower, Transforms (2)

FORMULA

For n>1, a(n) = 1/2*[F(2n+1) - F(n+2) + 2], where F(n) = A000045(n). - R. Stephan, May 04 2004

CROSSREFS

Sequence in context: A032201 A199655 A185966 * A176856 A112709 A200801

Adjacent sequences:  A032094 A032095 A032096 * A032098 A032099 A032100

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net)

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.