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A127090 Central terms of triangle A127082; a(n) = A127082(2*n,n). 2
1, 2, 15, 192, 3635, 92730, 2998366, 117857600, 5465922021, 292505725990, 17755023166100, 1205937035790936, 90649549598544937, 7473077539914412930, 670529221966656416145, 65059053545271098896848 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

a(n) is divisible by (n+1): a(n)/(n+1) = A127091(n).

CROSSREFS

Cf. A127082; A127091.

Sequence in context: A053492 A098343 A052819 * A198522 A187655 A046249

Adjacent sequences:  A127087 A127088 A127089 * A127091 A127092 A127093

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 04 2007

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Last modified February 17 16:13 EST 2012. Contains 206050 sequences.