Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutations A074681/A074682 & A074683/A074684.

A086586

Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutations A074681/A074682 & A074683/A074684.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =9a(5) =28a(6) =57a(7) =253a(8) =842a(9) =3753a(10) =10927a(11) =15014a(12) =130831a(13) =218961a(14) =967104a(15) =3767216a(16) =29715310a(17) =89923607a(18) =314897868a(19) =785059994

External references