Numbers of isomers of unbranched a-4-catapolyheptagons - see Brunvoll reference for precise definition.
A121141
Numbers of isomers of unbranched a-4-catapolyheptagons - see Brunvoll reference for precise definition.
Terms
- a(0) =1a(1) =5a(2) =37a(3) =254a(4) =1690a(5) =10476a(6) =62000
External references
- oeis: A121141