The largest denominator that can be made from n repeated applications of the maps f(x) = x + 1 or g(x) = -1/x, starting from 0.

A350391

The largest denominator that can be made from n repeated applications of the maps f(x) = x + 1 or g(x) = -1/x, starting from 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =5a(7) =6a(8) =8a(9) =11a(10) =15a(11) =19a(12) =24a(13) =30a(14) =41a(15) =56a(16) =72a(17) =91a(18) =115a(19) =153a(20) =209a(21) =269a(22) =345a(23) =436a(24) =571a(25) =780a(26) =1005a(27) =1292a(28) =1653a(29) =2131

External references