Maximum starting value of X such that repeated replacement of X with X-ceiling(X/5) requires n steps to reach 0.

A279075

Maximum starting value of X such that repeated replacement of X with X-ceiling(X/5) requires n steps to reach 0.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =8a(7) =11a(8) =14a(9) =18a(10) =23a(11) =29a(12) =37a(13) =47a(14) =59a(15) =74a(16) =93a(17) =117a(18) =147a(19) =184a(20) =231a(21) =289a(22) =362a(23) =453a(24) =567a(25) =709a(26) =887a(27) =1109a(28) =1387a(29) =1734

External references