|
|
A172299
|
|
First differences of A172298.
|
|
1
|
|
|
-2, 2, -1, 1, -1, 1, -1, 1, -1, 25, -25, 477481, -477481, 49, -49, 13082689, -13082689, 1924313689, -1924313689, 30489001321, -30489001321, 730192467169, -730192467169, 55867983514256281, -55867983514256281, 73155570928609, -73155570928609
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
Differences between squares of Bernoulli number denominators.
|
|
LINKS
|
|
|
FORMULA
|
a(2n) = -a(2n-1), n>=2 .
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
|
|
EXTENSIONS
|
Keyword:sign added, sequence extended by R. J. Mathar, Feb 02 2010
|
|
STATUS
|
approved
|
|
|
|