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A130018 Eigensequence of A053121. 0
1, 1, 1, 2, 4, 9, 22, 56, 152, 428, 1257 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..10.

FORMULA

a(n)=Sum_[k, 0<=k<=n-1}A053121(n-1,k)*a(k)for n>0 with a(0)=1 .

CROSSREFS

Sequence in context: A037245 A244886 A143017 * A099754 A105633 A196161

Adjacent sequences:  A130015 A130016 A130017 * A130019 A130020 A130021

KEYWORD

nonn

AUTHOR

Philippe Deléham, Jun 16 2007

STATUS

approved

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Last modified October 23 06:00 EDT 2014. Contains 248411 sequences.