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Search: id:A132846
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A132846 Column 0 of triangle A132845. +0
6
1, 1, 3, 13, 73, 466, 3309, 25425, 209717, 1837168, 16995545, 164906160, 1671977735, 17635855420, 193014602116, 2185071349740, 25536219128057, 307379906553394, 3804874686396912, 48350298542927709, 629940434070025851 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n) = A132844(2n,0) = A132844(2n+1,0).

PROGRAM

(PARI)

CROSSREFS

Cf. triangles: A132845, A132844; other columns: A132847, A132848, A132849.

Sequence in context: A090754 A067764 A063512 this_sequence A000262 A059294 A124468

Adjacent sequences: A132843 A132844 A132845 this_sequence A132847 A132848 A132849

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Sep 17 2007

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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