The number of permutations of length n that can be sorted by 5 pop stacks in parallel.
A164873
The number of permutations of length n that can be sorted by 5 pop stacks in parallel.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =120a(6) =720a(7) =5038a(8) =40004a(9) =347348a(10) =3165888a(11) =29362568a(12) =272387290a(13) =2509750674a(14) =22933267716a(15) =207994616888
External references
- oeis: A164873