Number of iterations of function f(k) = ceiling(sqrt(k))^2 - k on n required to force n <= 2.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =2a(6) =2a(7) =1a(8) =1a(9) =1a(10) =3a(11) =3a(12) =2a(13) =2a(14) =1a(15) =1a(16) =1a(17) =2a(18) =2a(19) =3a(20) =3a(21) =2a(22) =2a(23) =1a(24) =1a(25) =1a(26) =4a(27) =2a(28) =2a(29) =2