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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A026952 Sum{T(n,k)*T(n,k+1)}, 0<=k<=n-1, T given by A026386. 0
1, 4, 24, 90, 541, 2032, 12275, 46472, 282003, 1075404, 6549906, 25125114, 153481299, 591529776, 3622111560, 14013307170, 85975792075, 333669151420 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A026694 A026967 A026977 * A009769 A119878 A054603

Adjacent sequences:  A026949 A026950 A026951 * A026953 A026954 A026955

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 16 17:48 EST 2012. Contains 205939 sequences.