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A047059
T(2n,n), array T given by A047050.
0
1, 2, 9, 48, 275, 1652, 10150, 63282, 398746, 2533674, 16205319, 104195452, 672838453, 4360534510, 28346553454, 184759124740, 1206997624839, 7900952176826, 51811230435895, 340294870303512, 2238219252373710
OFFSET
0,2
CROSSREFS
Sequence in context: A190315 A190253 A174687 * A153297 A364734 A153390
KEYWORD
nonn
STATUS
approved