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A027279 Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A026568. 0
7, 44, 273, 1696, 10573, 66151, 415277, 2615004, 16512355, 104526093, 663143211, 4215574482, 26846320149, 171243444982 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

CROSSREFS

Sequence in context: A178719 A094113 A190974 * A099464 A093738 A091127

Adjacent sequences:  A027276 A027277 A027278 * A027280 A027281 A027282

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 16 06:46 EST 2012. Contains 205867 sequences.