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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171451 a(n)=2^C(n,2)*2^floor(n/3). 2
1, 1, 2, 16, 128, 2048, 131072, 8388608, 1073741824, 549755813888, 281474976710656, 288230376151711744, 1180591620717411303424, 4835703278458516698824704, 39614081257132168796771975168 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Hankel transform of A171450.

LINKS

Table of n, a(n) for n=0..14.

FORMULA

a(n)=2^A171452(n).

CROSSREFS

Sequence in context: A013730 A214623 A161737 * A012459 A012463 A037517

Adjacent sequences:  A171448 A171449 A171450 * A171452 A171453 A171454

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Dec 09 2009

STATUS

approved

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

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

Last modified April 21 01:47 EDT 2014. Contains 240824 sequences.