Number of occurrences of pattern 2-1 after n iterations of morphism A007413.
A093357
Number of occurrences of pattern 2-1 after n iterations of morphism A007413.
Terms
- a(0) =0a(1) =4a(2) =20a(3) =88a(4) =368a(5) =1504a(6) =6080a(7) =24448a(8) =98048a(9) =392704a(10) =1571840a(11) =6289408a(12) =25161728a(13) =100655104a(14) =402636800a(15) =1610579968a(16) =6442385408a(17) =25769672704a(18) =103078952960a(19) =412316336128
External references
- oeis: A093357