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A027956 T(2n,n+4), T given by A027948. 0
1, 9, 175, 1518, 8735, 39130, 148487, 502415, 1568062, 4622488, 13091798, 36067176, 97522270, 260459265, 690141333, 1819657318, 4783398669, 12551942930, 32903246829 (list; graph; refs; listen; history; internal format)
OFFSET

3,2

CROSSREFS

Sequence in context: A132897 A049212 A141441 * A003280 A201536 A141359

Adjacent sequences:  A027953 A027954 A027955 * A027957 A027958 A027959

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.