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A027940 T(2n,n+4), T given by A027935. 0
1, 46, 551, 3785, 18955, 77533, 276408, 895103, 2708322, 7811510, 21791338, 59419294, 159571139, 424302452, 1121168305, 2951121095, 7749900701, 20324325571, 53259796514 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

LINKS

Table of n, a(n) for n=4..22.

CROSSREFS

Sequence in context: A224258 A223914 A224186 * A098227 A077732 A200898

Adjacent sequences:  A027937 A027938 A027939 * A027941 A027942 A027943

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 18 18:46 EDT 2014. Contains 240732 sequences.