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Search: id:A047042
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A047042 T(n,n), array T as in A047040; T(n,n), array T given by A047050. +0
1
1, 1, 2, 5, 14, 56, 202, 715, 2529, 9701, 36797, 138564, 520062, 1999679, 7700373, 29612097, 113722740, 440354696, 1709283358, 6637835682, 25773923006, 100398993203, 391785231463, 1530125311638, 5978033636691, 23390474605783 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A052649 A122594 A047136 this_sequence A110043 A006847 A008286

Adjacent sequences: A047039 A047040 A047041 this_sequence A047043 A047044 A047045

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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