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Search: id:A027098
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A027098 T(n,n) + T(n,n+1) + ... + T(n,2n), T given by A027082. +0
1
1, 2, 6, 19, 55, 161, 469, 1362, 3954, 11483, 33379, 97146, 283114, 826214, 2414366, 7064217, 20693797, 60686847, 178152055, 523473326, 1539479414, 4531059224, 13345835288, 39335816471, 116012701523, 342356498884 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A058081 A034533 A014559 this_sequence A121483 A077834 A067675

Adjacent sequences: A027095 A027096 A027097 this_sequence A027099 A027100 A027101

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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