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Search: id:A026303
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A026303 a(n) = T(3n,n), where T is the array in A026300. +0
1
1, 3, 20, 147, 1143, 9163, 74919, 621015, 5199909, 43878315, 372530781, 3178551148, 27231924300, 234113134518, 2018601251793, 17449264269081, 151169392399773 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A074573 A068571 A074569 this_sequence A154627 A091172 A091168

Adjacent sequences: A026300 A026301 A026302 this_sequence A026304 A026305 A026306

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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