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A127635 Hankel transform of A047098. 0
1, 4, 44, 1360, 118864, 29454720, 20723316480, 41430374667264, 235483137163985920, 3806579106735674587136, 175045931960590896961989632, 22902901668710944230193460535296, 8527272133354589357030560193109508096 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

FORMULA

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

CROSSREFS

Sequence in context: A155556 A188456 A217473 * A134174 A296729 A157193

Adjacent sequences:  A127632 A127633 A127634 * A127636 A127637 A127638

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jan 21 2007

STATUS

approved

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Last modified February 25 00:39 EST 2018. Contains 299630 sequences. (Running on oeis4.)