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A099029
Main diagonal of array A099028.
1
-1, 6, -72, 1608, -58080, 3087648, -226762368, 21986726016, -2720113657344, 418117827310080, -78167762731812864, 17465102642354817024, -4595978556276162551808, 1406897783859319396442112
OFFSET
1,2
CROSSREFS
Sequence in context: A038095 A012242 A138446 * A120331 A009523 A009793
KEYWORD
sign
AUTHOR
Ralf Stephan, Sep 27 2004
STATUS
approved