login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032098 "BHK" (reversible, identity, unlabeled) transform of 3,3,3,3... 0
3, 6, 21, 87, 363, 1491, 6051, 24387, 97923, 392451, 1571331, 6288387, 25159683, 100651011, 402628611, 1610563587, 6442352643, 25769607171, 103078821891, 412316073987, 1649265868803, 6597066620931 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

C. G. Bower, Transforms (2)

FORMULA

Conjecture: a(n) = 3 * (2^(2n-3) - 2^(n-2) + 1). - Ralf Stephan (ralf(AT)ark.in-berlin.de), Sep 11 2003

CROSSREFS

Sequence in context: A151961 A025229 A073951 * A019053 A019054 A066986

Adjacent sequences:  A032095 A032096 A032097 * A032099 A032100 A032101

KEYWORD

nonn

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 21:51 EST 2012. Contains 205978 sequences.