a(n)^2 is the start of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245).

A340663

a(n)^2 is the start of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245).

Terms

    a(0) =2a(1) =6a(2) =12a(3) =19a(4) =37a(5) =65a(6) =104a(7) =133a(8) =173a(9) =263a(10) =375a(11) =408a(12) =561a(13) =689a(14) =854a(15) =1107a(16) =1348a(17) =1534a(18) =1819a(19) =2062a(20) =2415a(21) =2871a(22) =3308a(23) =3695a(24) =4241a(25) =4837a(26) =5353a(27) =5995a(28) =6576a(29) =7291

External references