Number of maximal initial consecutive columns ending at the same level, summed over all deco polyominoes of height n.

A140710

Number of maximal initial consecutive columns ending at the same level, summed over all deco polyominoes of height n.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =38a(4) =172a(5) =944a(6) =6208a(7) =47696a(8) =417952a(9) =4101824a(10) =44491648a(11) =528068096a(12) =6804155392a(13) =94559581184

External references