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Search: id:A027915
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A027915 a(n) = Sum{T(i,j)}, 0<=j<=i, 0<=i<=n, T given by A027907. +0
3
1, 3, 9, 26, 76, 223, 658, 1948, 5782, 17193, 51194, 152594, 455209, 1358841, 4058439, 12126696, 36248370, 108385917, 324172566, 969801726, 2901883611, 8684735577, 25995833145, 77824036620, 233012973051, 697745695923 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A005774 A101169 A119826 this_sequence A114982 A133405 A148921

Adjacent sequences: A027912 A027913 A027914 this_sequence A027916 A027917 A027918

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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