Number of permutations of length n with 5 consecutive ascending pairs.

A001261

Number of permutations of length n with 5 consecutive ascending pairs.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =6a(7) =63a(8) =616a(9) =6678a(10) =77868a(11) =978978a(12) =13216104a(13) =190899423a(14) =2939850914a(15) =48106651593a(16) =833848627248

External references