Unbranched a-4-catapolynonagons (see Brunvoll reference for precise definition).

A121127

Unbranched a-4-catapolynonagons (see Brunvoll reference for precise definition).

Terms

    a(0) =1a(1) =7a(2) =73a(3) =747a(4) =7218a(5) =65583a(6) =567540a(7) =4725540a(8) =38145600a(9) =300244320a(10) =2314123992a(11) =17522693064a(12) =130682767824a(13) =961866429552

External references