Number of perfect squares in the half-open interval [Pi^(n-1), Pi^n).

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =4a(5) =8a(6) =14a(7) =23a(8) =43a(9) =75a(10) =134a(11) =236a(12) =419a(13) =743a(14) =1316a(15) =2333a(16) =4135a(17) =7329a(18) =12992a(19) =23026a(20) =40813a(21) =72338a(22) =128218a(23) =227259a(24) =402806a(25) =713955a(26) =1265453a(27) =2242956a(28) =3975538a(29) =7046456