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A045508
Concatenate factorials.
5
1, 12, 126, 12624, 12624120, 12624120720, 126241207205040, 12624120720504040320, 12624120720504040320362880, 126241207205040403203628803628800, 12624120720504040320362880362880039916800, 12624120720504040320362880362880039916800479001600
OFFSET
1,2
REFERENCES
M. Le, On Smarandache Concatenated Sequences II: Factorial Sequence, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 131-132.
LINKS
MATHEMATICA
nn=20; With[{f=Range[nn]!}, Table[FromDigits[Flatten[ IntegerDigits/@ Take[ f, n]]], {n, nn}]] (* Harvey P. Dale, Jan 27 2015 *)
CROSSREFS
Sequence in context: A199528 A124797 A204768 * A215774 A275941 A173359
KEYWORD
nonn,base,easy
AUTHOR
EXTENSIONS
More terms from Harvey P. Dale, Jan 27 2015
STATUS
approved