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A139176
a(n) = (n! - 6)/6.
10
0, 3, 19, 119, 839, 6719, 60479, 604799, 6652799, 79833599, 1037836799, 14529715199, 217945727999, 3487131647999, 59281238015999, 1067062284287999, 20274183401471999, 405483668029439999
OFFSET
3,2
COMMENTS
Original name: Natural numbers of the form (n!-6)/6.
LINKS
MAPLE
seq((factorial(n)-6)/6, n=3..25); # Muniru A Asiru, Oct 20 2018
MATHEMATICA
Table[(n! - 6)/6, {n, 3, 20}]
PROG
(Magma) [(Factorial(n)-6)/6: n in [3..25]]; // Vincenzo Librandi, Jul 20 2011
(GAP) List([3..25], n->(Factorial(n)-6)/6); # Muniru A Asiru, Oct 20 2018
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 11 2008
EXTENSIONS
New name from Jon E. Schoenfield, Oct 19 2018
STATUS
approved