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A337616
Row sums of A337967.
1
1, 1, -2, -4, 20, 64, -488, -2176, 22160, 126976, -1616672, -11321344, 172976960, 1431568384, -25518205568, -243680935936, 4964227109120, 53725527801856, -1231298393825792, -14893509177769984, 379260096755225600, 5070334006399074304, -142026494757146421248
OFFSET
0,3
FORMULA
a(n) = Sum_{k=0..n) A337967(n, k).
|a(n) / 2^floor(n/2)| = A000111(n).
CROSSREFS
Sequence in context: A192380 A009336 A274520 * A238229 A192377 A286344
KEYWORD
sign
AUTHOR
Peter Luschny, Oct 05 2020
STATUS
approved