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A139409
Numbers n such that n=d_1!!^2+d_2!!^2+...+d_k!!^2 where d_1d_2...d_k is the decimal expansion of n.
0
1, 11037, 158712, 904117, 906373
OFFSET
1,2
EXAMPLE
906373=9!!^2+0!!^2+6!!^2+3!!^2+7!!^2+3!!^2.
CROSSREFS
Sequence in context: A325311 A164518 A198208 * A233789 A236151 A032427
KEYWORD
base,fini,full,nonn
AUTHOR
Farideh Firoozbakht, May 08 2008
STATUS
approved