Number of permutations in S_n that avoid the pattern 25314.
A256195
Number of permutations in S_n that avoid the pattern 25314.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =119a(6) =694a(7) =4578a(8) =33184a(9) =258757a(10) =2136978a(11) =18478134a(12) =165857600a(13) =1535336290a(14) =14584260700a(15) =141603589300
External references
- oeis: A256195