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A027051 a(n) = T(n,2n-2), T given by A027023. 1
1, 5, 13, 33, 85, 221, 581, 1545, 4149, 11237, 30657, 84169, 232361, 644573, 1795717, 5021801, 14091829, 39665893, 111965785, 316857945, 898797441, 2555025821, 7277679961, 20767821489, 59365259065, 169967668645, 487356812589 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..28.

CROSSREFS

Sequence in context: A185454 A278764 A183774 * A109786 A283959 A055426

Adjacent sequences:  A027048 A027049 A027050 * A027052 A027053 A027054

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 20 04:19 EST 2018. Contains 299358 sequences. (Running on oeis4.)