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A132848 Column 2 of triangle A132845. +0
6
1, 3, 18, 95, 693, 4893, 40506, 338277, 3110310, 29270549, 294099936, 3036380607, 32913111931, 366636699553, 4245071555734, 50447432122893, 619067368928568, 7783987091482635, 100610823839282548, 1330119345038208405 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = A132844(2n+2,2) = A132844(2n+3,2).

PROGRAM

(PARI)

CROSSREFS

Cf. triangles: A132845, A132844; other columns: A132846, A132847, A132849.

Adjacent sequences: A132845 A132846 A132847 this_sequence A132849 A132850 A132851

Sequence in context: A125833 A129547 A081151 this_sequence A038158 A009021 A124408

KEYWORD

nonn

AUTHOR

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

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.


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