Number of nonaligned trivalent dissections of a rectangle into n rectangles.

A375132

Number of nonaligned trivalent dissections of a rectangle into n rectangles.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =21a(5) =101a(6) =591a(7) =4168a(8) =32754a(9) =282605

External references