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

0,2

Comments

For comments see A326480.

Links

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

Maple

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

Crossrefs

Bisections (up to signs): A000182, A012509.

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

Cf. A063376, A241209.

Sequence in context: A154000 A154003 A291338 * A009542 A244108 A032318

Adjacent sequences: A326478 A326479 A326480 * A326482 A326483 A326484

Keyword

sign

Author

Peter Luschny, Jul 12 2019

Status

approved