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Search: id:A047132
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A047132 T(n,n), array T as in A047131. +0
1
1, 1, 2, 5, 28, 84, 272, 911, 3885, 14049, 50891, 185464, 735146, 2794719, 10565837, 39940553, 155711860, 601589056, 2317413464, 8920255482, 34742183340, 135196049411, 525683426601, 2043377119966, 7980296279061 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A025170 A151775 A095159 this_sequence A072371 A019043 A009635

Adjacent sequences: A047129 A047130 A047131 this_sequence A047133 A047134 A047135

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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