A326481 a(n) = E2_{n}(0) with E2_{n} the polynomials defined in A326480.

1, -2, 2, 4, -16, -32, 272, 544, -7936, -15872, 353792, 707584, -22368256, -44736512, 1903757312, 3807514624, -209865342976, -419730685952, 29088885112832, 58177770225664, -4951498053124096, -9902996106248192, 1015423886506852352

Offset: 0

Author

Peter Luschny, Jul 12 2019

Keywords

• sign

Comments

For comments see A326480.

Crossrefs

Bisections (up to signs): A000182, A012509.

Cf. A326480, A155585, A326481, A326482, A326483, A326484.

Cf. A063376, A241209.

Programs

Maple

# The function E2(n) is defined in A326480.
seq(subs(x=0, E2(n)), n=0..22);