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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142242 Row sums of A143200. 1
2, 2, 0, 2, 0, 0, -4, 2, 0, 0, -4, 0, -4, -4, -12, 2, 0, 0, -4, 0, -4, -4, -12, 0, -4, -4, -12, -4, -12, -12, -28, 2, 0, 0, -4, 0, -4, -4, -12, 0, -4, -4, -12, -4, -12, -12, -28, 0, -4, -4, -12, -4, -12, -12, -28, -4, -12, -12, -28, -12, -28, -28, -60, 2, 0, 0, -4, 0, -4, -4, -12 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n) = 4 - 2^A000120(n) [From Max Alekseyev (maxale(AT)gmail.com), Apr 27 2010]

CROSSREFS

Sequence in context: A065710 A089799 A073464 * A050314 A122157 A080378

Adjacent sequences:  A142239 A142240 A142241 * A142243 A142244 A142245

KEYWORD

sign,easy

AUTHOR

Roger L. Bagula and Gary W. Adamson (rlbagulatftn(AT)yahoo.com), Oct 20 2008

EXTENSIONS

More terms from Max Alekseyev (maxale(AT)gmail.com), Apr 27 2010

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 06:18 EST 2012. Contains 205860 sequences.