Number of n-length binary words w with #(w,0) >= #(w,1) >= 1, where #(w,x) gives the number of digits x in w.
A226881
Number of n-length binary words w with #(w,0) >= #(w,1) >= 1, where #(w,x) gives the number of digits x in w.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =3a(4) =10a(5) =15a(6) =41a(7) =63a(8) =162a(9) =255a(10) =637a(11) =1023a(12) =2509a(13) =4095a(14) =9907a(15) =16383a(16) =39202a(17) =65535a(18) =155381a(19) =262143a(20) =616665a(21) =1048575a(22) =2449867a(23) =4194303a(24) =9740685a(25) =16777215a(26) =38754731a(27) =67108863a(28) =154276027a(29) =268435455
External references
- oeis: A226881