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Search: id:A027048
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A027048 a(n) = Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A027023. +0
2
5, 29, 213, 1633, 12821, 102369, 826305, 6724933, 55108961, 454279229, 3764205941, 31334121045, 261903891425, 2197181330193, 18494163039793, 156140262436597 (list; graph; listen)
OFFSET

2,1
CROSSREFS

Sequence in context: A030522 A091124 A121143 this_sequence A094856 A057623 A087662

Adjacent sequences: A027045 A027046 A027047 this_sequence A027049 A027050 A027051

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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