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A047116 T(n,n+1), array T as in A047110. 0
1, 2, 5, 19, 62, 206, 771, 2787, 10075, 37936, 142127, 532438, 2025548, 7717368, 29431808, 112981883, 434717592, 1674938528, 6474529712, 25076461217, 97253412518, 377901902151, 1470624876338, 5729633180125, 22352003680730 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Sequence in context: A321006 A320276 A148432 * A148433 A148434 A341762

Adjacent sequences:  A047113 A047114 A047115 * A047117 A047118 A047119

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 7 09:15 EST 2021. Contains 349574 sequences. (Running on oeis4.)