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Search: id:A027970
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A027970 T(n,2n-8), T given by A027960. +0
3
1, 4, 11, 29, 76, 196, 487, 1148, 2552, 5353, 10636, 20120, 36425, 63415, 106630, 173821, 275603, 426242, 644593, 955207, 1389626, 1987886, 2800249, 3889186, 5331634, 7221551, 9672794, 12822346, 16833919, 21901961, 28256096 (list; graph; listen)
OFFSET

4,2

FORMULA

Sequence satisfies an 8-degree polynomial approximating A002878.

CROSSREFS

A column of triangle A026998.

Sequence in context: A131046 A109803 A027968 this_sequence A027972 A002878 A098149

Adjacent sequences: A027967 A027968 A027969 this_sequence A027971 A027972 A027973

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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