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Search: id:A026949
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A026949 a(n) = Sum{T(n,k)*T(n,k+3)}, 0<=k<=n-3, T given by A026374. +0
1
1, 12, 83, 630, 3171, 21672, 97482, 639180, 2730615, 17543196, 72932904, 463291920, 1895949055, 11961944400, 48478715240, 304543085040 (list; graph; listen)
OFFSET

3,2
CROSSREFS

Sequence in context: A164300 A175037 A102105 this_sequence A165127 A075476 A085409

Adjacent sequences: A026946 A026947 A026948 this_sequence A026950 A026951 A026952

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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