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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A140700 Row products of A140699. 1
1, -2, -3, 0, -5, 6, -7, 0, 0, 10, -11, 0, -13, 14, 15, 0, -17, 0, -19, 0, 21, 22, -23, 0, 0, 26, 0, 0, -29, 30, -31, 0, 33, 34, 35, 0, -37, 38, 39, 0, -41, 42, -43, 0, 0, 46, -47, 0 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Primes have negative signs in a(n). Differs from A055615 at a(30) = 30.

CROSSREFS

Cf. A140699, A054524, A140256, A055615.

Sequence in context: A063956 A128214 A145105 * A055615 A190621 A049268

Adjacent sequences:  A140697 A140698 A140699 * A140701 A140702 A140703

KEYWORD

sign

AUTHOR

Mats O. Granvik and Gary W. Adamson (mgranvik(AT)abo.fi), May 24 2008

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 14 23:53 EST 2012. Contains 205689 sequences.