a(1) = 1; string of digits of a(n)^2 is a substring of the string of digits of a(n+1)^2.
A067634
a(1) = 1; string of digits of a(n)^2 is a substring of the string of digits of a(n+1)^2.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =130a(4) =1300a(5) =13000a(6) =130000a(7) =1300000a(8) =13000000a(9) =130000000a(10) =1300000000a(11) =13000000000a(12) =130000000000
External references
- oeis: A067634