OFFSET
1,2
COMMENTS
The next term (a(5)) has 538 digits. - Harvey P. Dale, Jul 05 2019
EXAMPLE
a(3) = 123*132*213*231*312*321 = 80007417506016
MATHEMATICA
Table[Times@@FromDigits/@Permutations[Range[n]], {n, 5}] (* Harvey P. Dale, Jul 05 2019 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Jonas Wallgren, Nov 24 2003
STATUS
approved