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A127065 n!-(n-2)^2. 0
0, 2, 5, 20, 111, 704, 5015, 40284, 362831, 3628736, 39916719, 479001500, 6227020679, 87178291056, 1307674367831, 20922789887804, 355687428095775, 6402373705727744, 121645100408831711, 2432902008176639676 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Table[(m!-(m-2)^2 ), {m, 25}]

CROSSREFS

Sequence in context: A170946 A019536 A129949 * A168357 A052850 A000130

Adjacent sequences:  A127062 A127063 A127064 * A127066 A127067 A127068

KEYWORD

easy,nonn

AUTHOR

Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 21 2007

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Last modified February 13 12:30 EST 2012. Contains 205469 sequences.