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A047152 T(n,n), array T as in A047150. 0
1, 2, 4, 14, 44, 158, 582, 2068, 7658, 28365, 106688, 405144, 1537720, 5870813, 22477625, 86391408, 333202409, 1287571951, 4986174232, 19342971327, 75166542530, 292574047008, 1140326119463, 4449984515413, 17384718120910 (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: A169982 A243323 A128750 * A007866 A226909 A121751

Adjacent sequences:  A047149 A047150 A047151 * A047153 A047154 A047155

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 25 15:44 EDT 2019. Contains 323572 sequences. (Running on oeis4.)