|
Search: id:A127442
|
|
|
| A127442 |
|
Triangle read by rows: row n consists of 1 followed by initial n-1 terms of A127440. |
|
+0 2
|
|
| 1, 1, -2, 1, -2, 0, 1, -2, 0, 1, 1, -2, 0, 1, -1, 1, -2, 0, 1, -1, 2, 1, -2, 0, 1, -1, 2, -2, 1, -2, 0, 1, -1, 2, -2, 1, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, 1, -2, 0, 1, -1, 2, -2, 1, 0, 1, -2, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
1,3
|
|
|
COMMENT
|
Row sums = mu(n), A008683.
|
|
EXAMPLE
|
Triangle begins:
1
1 -2,
1 -2, 0,
1 -2, 0, 1,
1 -2, 0, 1, -1,
1 -2, 0, 1, -1, 2,
1 -2, 0, 1, -1, 2, -2,
1 -2, 0, 1, -1, 2, -2, 1,
1 -2, 0, 1, -1, 2, -2, 1, 0,
1 -2, 0, 1, -1, 2, -2, 1, 0, 1,
1 -2, 0, 1, -1, 2, -2, 1, 0, 1, -2,
|
|
CROSSREFS
|
Cf. A127440 = (1, -2, 0, 1, -1, 2, -2, ...) = first differences of mu(n), A008683
Cf. A008683.
Sequence in context: A140083 A057985 A135387 this_sequence A115628 A114002 A114004
Adjacent sequences: A127439 A127440 A127441 this_sequence A127443 A127444 A127445
|
|
KEYWORD
|
tabl,sign
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 14 2007
|
|
EXTENSIONS
|
One term corrected by T. D. Noe, Feb 08 2007
Edited, corrected and extended by N. J. A. Sloane (njas(AT)research.att.com), Mar 01 2007
|
|
|
Search completed in 0.002 seconds
|