A127635 Hankel transform of A047098.

1, 4, 44, 1360, 118864, 29454720, 20723316480, 41430374667264, 235483137163985920, 3806579106735674587136, 175045931960590896961989632, 22902901668710944230193460535296, 8527272133354589357030560193109508096

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Formula

a(n) = 2^n*A051255(n).

Crossrefs

Cf. A047098, A051255.

Sequence in context: A188456 A306372 A217473 * A134174 A296729 A157193

Adjacent sequences: A127632 A127633 A127634 * A127636 A127637 A127638

Keyword

easy,nonn

Author

Paul Barry, Jan 21 2007

Status

approved