Number of permutations that have a fixed point and contain 123.
A193364
Number of permutations that have a fixed point and contain 123.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =3a(6) =11a(7) =59a(8) =369a(9) =2665a(10) =21823a(11) =199983a(12) =2028701a(13) =22577141a(14) =273551115a(15) =3585133147a(16) =50540288857a(17) =762641865009
External references
- oeis: A193364