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A066847 Integers of the form m! + n!, m and n = positive integers. 1
2, 3, 4, 7, 8, 12, 25, 26, 30, 48, 121, 122, 126, 144, 240, 721, 722, 726, 744, 840, 1440, 5041, 5042, 5046, 5064, 5160, 5760, 10080, 40321, 40322, 40326, 40344, 40440, 41040, 45360, 80640, 362881, 362882, 362886, 362904 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

EXAMPLE

30 is included because 30 = 3! + 4!.

MATHEMATICA

Union[Total/@Tuples[Range[10]!, 2]] (* From Harvey P. Dale, May 04 2011 *)

CROSSREFS

Sequence in context: A073882 A015840 A051213 * A057887 A202116 A006049

Adjacent sequences:  A066844 A066845 A066846 * A066848 A066849 A066850

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Jan 20 2002

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Last modified February 14 22:18 EST 2012. Contains 205673 sequences.