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A195670
Numbers that can be written using its own digits in order and by using addition and factorial operators.
0
144, 145, 733, 5160, 5161, 5162, 5163, 5164, 5165, 5166, 5167, 5168, 5169, 40440, 40441, 40442, 40443, 40444, 40445, 40446, 40447, 40448, 40449, 40584, 40585
OFFSET
1,1
EXAMPLE
144 = (1 + 4)! + 4!
145 = 1 + 4! + 5!
5160 = 5 + (1 + 6)! + 0
40440 = (4 + 0!)! + (4 + 4)! + 0
40584 = (4 + 0!)! + 5! + 8! + 4!
40585 = 4! + 0! + 5! + 8! + 5!
CROSSREFS
Sequence in context: A124512 A199546 A101936 * A173065 A044868 A162532
KEYWORD
nonn,base
AUTHOR
Kausthub Gudipati, Sep 22 2011
STATUS
approved