Number of permutations of [n] with exactly two increasing runs of even length.

A317282

Number of permutations of [n] with exactly two increasing runs of even length.

Terms

    a(0) =5a(1) =43a(2) =258a(3) =1853a(4) =15634a(5) =133697a(6) =1207256a(7) =11974457a(8) =126980013a(9) =1421291622a(10) =16925790480a(11) =213992804118

External references