Number of permutations in S_n that avoid the pattern 52341.

A256208

Number of permutations in S_n that avoid the pattern 52341.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =119a(6) =694a(7) =4582a(8) =33325a(9) =261863a(10) =2192390a(11) =19358590a(12) =178904675a(13) =1720317763a(14) =17132629082a(15) =176055309619

External references