Total semiperimeter of 2-Fuss-Catalan polyominoes of length 2n.
A361960
Total semiperimeter of 2-Fuss-Catalan polyominoes of length 2n.
Terms
- a(0) =2a(1) =12a(2) =71a(3) =430a(4) =2652a(5) =16576a(6) =104652a(7) =665874a(8) =4263050a(9) =27430260a(10) =177233355a(11) =1149159336a(12) =7473264736a(13) =48725661120a(14) =318403991656
External references
- oeis: A361960