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

A340664

a(n)^2 is the end 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) =7a(2) =14a(3) =22a(4) =41a(5) =70a(6) =110a(7) =140a(8) =181a(9) =272a(10) =385a(11) =419a(12) =573a(13) =702a(14) =868a(15) =1122a(16) =1364a(17) =1551a(18) =1837a(19) =2081a(20) =2435a(21) =2892a(22) =3330a(23) =3718a(24) =4265a(25) =4862a(26) =5379a(27) =6022a(28) =6604a(29) =7320

External references