Number of one-sided polyominoes with 2n cells.
A210988
Number of one-sided polyominoes with 2n cells.
Terms
- a(0) =1a(1) =7a(2) =60a(3) =704a(4) =9189a(5) =126759a(6) =1802312a(7) =26152418a(8) =385221143a(9) =5741256764a(10) =86383382827
External references
- oeis: A210988