[seqfan] Re: Number Of Such Permutations

[Marc LeBrun]

 >=Leroy Quet
 > Searching this with the word "permutations" brings up no hits.
 > Did I calculate these terms of the sequence correctly?
 > Is this sequence in the OEIS as something else not obviously 
related to permutations, perhaps?

Searching for 1,1,3,7,24 without any keywords gets just 15 
hits.  Don't know if any of them are what you want.  A few more 
(accurate!) terms would probably suffice to nail it down...