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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A027056 T(n,2n-1), T given by A027052. 0
0, 2, 4, 8, 18, 42, 102, 256, 658, 1722, 4570, 12264, 33212, 90626, 248892, 687360, 1907506, 5316266, 14873082, 41751944, 117567784, 331979650, 939807344, 2666718976, 7583071868, 21605822594, 61672362872, 176338826728 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A057151 A026699 A078678 * A024428 A049075 A052327

Adjacent sequences:  A027053 A027054 A027055 * A027057 A027058 A027059

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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 15 21:56 EST 2012. Contains 205860 sequences.