A130018 Eigensequence of A053121.

1, 1, 1, 2, 4, 9, 22, 56, 152, 428, 1257

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: A143017 A307575 A301362 * A352176 A322504 A099754

Adjacent sequences: A130015 A130016 A130017 * A130019 A130020 A130021

Keyword

nonn

Author

Philippe Deléham, Jun 16 2007

Status

approved