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Search: id:A027108
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A027108 a(n) = T(n,n+1) + T(n,n+2) + ... + T(n,2n), T given by A027082. +0
1
1, 5, 16, 50, 152, 452, 1331, 3897, 11378, 33186, 96791, 282461, 825013, 2412157, 7060154, 20686324, 60673102, 178126774, 523426827, 1539393889, 4530901919, 13345545959, 39335284312, 116011722730, 342354698603 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A084356 A007806 A037480 this_sequence A077840 A007343 A147536

Adjacent sequences: A027105 A027106 A027107 this_sequence A027109 A027110 A027111

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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