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A026912 T(2n-1,n-1), T given by A026907. 0
13, 90, 370, 1403, 5256, 19749, 74628, 283551, 1082440, 4148594, 15953598, 61526960, 237876562, 921678867, 3577968072, 13913243127, 54184698792, 211307360862, 825059443542, 3225071709972, 12619275028602, 49423455006492 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Sequence in context: A282858 A268746 A152867 * A161465 A162300 A161859

Adjacent sequences:  A026909 A026910 A026911 * A026913 A026914 A026915

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 31 16:23 EDT 2020. Contains 333151 sequences. (Running on oeis4.)