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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
OFFSET
0,2
CROSSREFS
Sequence in context: A367101 A243323 A128750 * A007866 A226909 A121751
KEYWORD
nonn
STATUS
approved