Encyclopedia of Integers Seq. Help me out to find a formula for this...

Daniel A

New member
...integers sequence: 1,2,13,76,789,7734? Can anyone help me out to find a formula for this integers sequence: 1,2,13,76,789,7734...

There is an entry for that at:
http://oeis.org/search?q=1%2C2%2C13%2C76%2C789%2C7734&sort=&language=english&go=Search

but I cannot understand it. What formula is it?
It is very difficult to understand the entries there...
 
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