OFFSET
1,1
LINKS
Erich Friedman, Problem of the month August 2003
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
KEYWORD
nonn,base
AUTHOR
Kausthub Gudipati, Sep 22 2011
STATUS
approved