Number of letters (0's and 1's) in the n-th iterate of the final-letter-removed mapping defined at A289035.

A293077

Number of letters (0's and 1's) in the n-th iterate of the final-letter-removed mapping defined at A289035.

Terms

    a(0) =2a(1) =4a(2) =6a(3) =10a(4) =16a(5) =26a(6) =44a(7) =74a(8) =126a(9) =214a(10) =364a(11) =620a(12) =1058a(13) =1806a(14) =3082a(15) =5260a(16) =8978a(17) =15326a(18) =26162a(19) =44660a(20) =76238a(21) =130146a(22) =222172a(23) =379270a(24) =647454a(25) =1105272a(26) =1886816a(27) =3220996a(28) =5498584a(29) =9386670

External references