Number of subsets of {1..n} without all equal lengths of maximal runs of consecutive elements increasing by 1.

A385214

Number of subsets of {1..n} without all equal lengths of maximal runs of consecutive elements increasing by 1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =8a(6) =25a(7) =66a(8) =159a(9) =361a(10) =791a(11) =1688a(12) =3539a(13) =7328a(14) =15040a(15) =30669a(16) =62246a(17) =125896a(18) =253975a(19) =511357a(20) =1028052

External references