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A128131
a(n) = 2^A000096(n)*A128130(n).
1
1, -4, 0, 0, -16384, 1048576, 0, 0, 17592186044416, -18014398509481984, 0, 0, -1237940039285380274899124224, 20282409603651670423947251286016, 0, 0, 5708990770823839524233143877797980545530986496
OFFSET
0,2
FORMULA
a(n) = 2^n * 2^C(n+1,2) * A128130(n);
MAPLE
A128131 := proc(n)
2^(n*(n+3)/2)*A128130(n) ;
end proc: # R. J. Mathar, Feb 24 2015
CROSSREFS
Sequence in context: A101453 A222399 A222519 * A321188 A322076 A115633
KEYWORD
easy,sign
AUTHOR
Paul Barry, Feb 15 2007
EXTENSIONS
Incorrect NAME removed. - R. J. Mathar, Feb 24 2015
STATUS
approved