Numerator of probability that a permutation of elements of some subset of set {1,2,...,n} is a permutation of elements of some set of the form 1..k, k <= n.
A293458
Numerator of probability that a permutation of elements of some subset of set {1,2,...,n} is a permutation of elements of some set of the form 1..k, k <= n.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =17a(4) =77a(5) =437a(6) =2957a(7) =23117a(8) =204557a(9) =2018957a(10) =21977357a(11) =261478157a(12) =3374988557a(13) =46964134157a(14) =700801318157
External references
- oeis: A293458