Cogrowth sequence of the group Z wr Z where wr denotes the wreath product.
A359798
Cogrowth sequence of the group Z wr Z where wr denotes the wreath product.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =232a(4) =2108a(5) =20384a(6) =206392a(7) =2165720a(8) =23385340a(9) =258532216a(10) =2915343808a(11) =33437862352a(12) =389230520888
External references
- oeis: A359798