Number of strong fixed blocks in all the permutations of [n] (see first comment for definition).
A186374
Number of strong fixed blocks in all the permutations of [n] (see first comment for definition).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =3a(4) =11a(5) =48a(6) =248a(7) =1500a(8) =10476a(9) =83328a(10) =745344a(11) =7413120a(12) =81187200a(13) =970928640a(14) =12589240320a(15) =175900757760
External references
- oeis: A186374