Number of row states in an automaton for the enumeration of the number of fixed polyominoes with bounding box of width n.

A378947

Number of row states in an automaton for the enumeration of the number of fixed polyominoes with bounding box of width n.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =16a(4) =40a(5) =99a(6) =247a(7) =625a(8) =1605a(9) =4178a(10) =11006a(11) =29292a(12) =78652a(13) =212812a(14) =579672a(15) =1588242a(16) =4374282a(17) =12103404a(18) =33628824a(19) =93786966a(20) =262450878a(21) =736710357a(22) =2073834417a(23) =5853011847a(24) =16558618507a(25) =46949351272a(26) =133390812252a(27) =379708642286

External references