A337616 Row sums of A337967.

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

Links

Table of n, a(n) for n=0..22.

Formula

a(n) = Sum_{k=0..n) A337967(n, k).

|a(n) / 2^floor(n/2)| = A000111(n).

Crossrefs

Cf. A337967, A000111.

Sequence in context: A192380 A009336 A274520 * A238229 A192377 A286344

Adjacent sequences: A337613 A337614 A337615 * A337617 A337618 A337619

Keyword

sign

Author

Peter Luschny, Oct 05 2020

Status

approved