A167683 Hankel transform of A007325.

1, 0, -1, 1, 0, 0, -1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0

Offset

0,1

Comments

Nonzero elements appear to be indexed by abs(A131723). -1 elements appear to be indexed by 2*A014493(n).

Links

Table of n, a(n) for n=0..103.

Crossrefs

Sequence in context: A266514 A082960 A320815 * A266502 A075438 A118174

Adjacent sequences: A167680 A167681 A167682 * A167684 A167685 A167686

Keyword

sign

Author

Paul Barry, Nov 09 2009

Status

approved