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Search: id:A027001
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A027001 T(2n,n+2), T given by A026998. +0
1
1, 26, 174, 743, 2552, 7784, 22193, 60882, 163430, 433495, 1142496, 3001056, 7869649, 20619098, 54001422, 141401879, 370224248, 969294632, 2537687585, 6643800690, 17393752166 (list; graph; listen)
OFFSET

2,2

FORMULA

a(n-2) = 3*F(2n+10)-2*F(2n+9)-F(2n+8)-4n^3-26n^2-68n-75, F(n) = A000045(n). - Ralf Stephan, Feb 07 2004

CROSSREFS

Bisection of A027964.

Sequence in context: A037052 A125336 A126494 this_sequence A042312 A090960 A056026

Adjacent sequences: A026998 A026999 A027000 this_sequence A027002 A027003 A027004

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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