Number of permutations of [n] with a fixed point but no succession.
A209326
Number of permutations of [n] with a fixed point but no succession.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =3a(4) =7a(5) =39a(6) =207a(7) =1437a(8) =11203a(9) =99041a(10) =975645a(11) =10601377a(12) =125905445a(13) =1622349059a(14) =22539777113a(15) =335845307359
External references
- oeis: A209326