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A132846 Column 0 of triangle A132845. 5

%I

%S 1,1,3,13,73,466,3309,25425,209717,1837168,16995545,164906160,

%T 1671977735,17635855420,193014602116,2185071349740,25536219128057,

%U 307379906553394,3804874686396912,48350298542927709,629940434070025851

%N Column 0 of triangle A132845.

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

%o (PARI)

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

%K nonn

%O 0,3

%A _Paul D. Hanna_, Sep 17 2007

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Last modified January 27 09:04 EST 2022. Contains 350607 sequences. (Running on oeis4.)