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A127227
a(n)= numerator of ((n + 3)! - (n - 3)!)/(n!).
4
719, 5039, 20159, 60479, 151199, 332639, 665279, 1235519, 2162159, 3603599, 5765759, 8910719, 13366079, 19535039, 27907199, 39070079, 53721359, 72681839, 96909119, 127511999, 165765599, 213127199, 271252799, 342014399, 427517999
OFFSET
3,1
MATHEMATICA
Table[Numerator[((n + 3)! - (n - 3)!)/(n!)], {n, 3, 30}]
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Artur Jasinski, Jan 09 2007
STATUS
approved