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A047093 T(n,n-2), array T as in A047089. 0
1, 3, 8, 19, 98, 335, 1381, 5164, 20306, 77915, 303445, 1175121, 4574312, 17794125, 69379714, 270671995, 1057440462, 4134573755, 16182570293, 63389522371, 248511714532, 974976349772, 3827778946917, 15037653341387 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..25.

CROSSREFS

Sequence in context: A086808 A170900 A151347 * A304256 A060305 A009141

Adjacent sequences:  A047090 A047091 A047092 * A047094 A047095 A047096

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 19 02:01 EST 2018. Contains 317332 sequences. (Running on oeis4.)