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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030056 C(2n+1,n-6). 3
1, 15, 136, 969, 5985, 33649, 177100, 888030, 4292145, 20160075, 92561040, 417225900, 1852482996, 8122425444, 35240152720, 151532656696, 646626422970, 2741188875414, 11554258485616, 48459472266975 (list; graph; refs; listen; history; internal format)
OFFSET

6,2

LINKS

Milan Janjic, Two Enumerative Functions

CROSSREFS

Diagonal 14 of triangle A100257.

Sequence in context: A125378 A155648 A126536 * A175707 A123955 A027802

Adjacent sequences:  A030053 A030054 A030055 * A030057 A030058 A030059

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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 13 13:22 EST 2012. Contains 205483 sequences.