a(n) is the result of n applications of the function f to n, where f(x) = floor((3*x + 1)/2) (A007494).

A353220

a(n) is the result of n applications of the function f to n, where f(x) = floor((3*x + 1)/2) (A007494).

Terms

    a(0) =0a(1) =2a(2) =5a(3) =12a(4) =21a(5) =41a(6) =72a(7) =134a(8) =210a(9) =365a(10) =608a(11) =1020a(12) =1598a(13) =2624a(14) =4163a(15) =6926a(16) =10598a(17) =17433a(18) =27309a(19) =43605a(20) =67251a(21) =106709a(22) =168128a(23) =266268a(24) =407438a(25) =646460a(26) =1005309a(27) =1574802a(28) =2421374a(29) =3771756

External references