login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A026619 T(2n-1,n-1), T given by A026615. 0
1, 5, 17, 60, 217, 798, 2970, 11154, 42185, 160446, 613054, 2351440, 9048522, 34916300, 135059220, 523521630, 2033066025, 7908332190, 30807696150, 120173896920, 469334610030, 1834970026500 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Sequence in context: A149660 A149661 A146130 * A142956 A273422 A192146

Adjacent sequences:  A026616 A026617 A026618 * A026620 A026621 A026622

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 25 10:04 EDT 2022. Contains 354844 sequences. (Running on oeis4.)