a(1) = 2; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).
A068176
a(1) = 2; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).
Terms
- a(0) =2a(1) =25a(2) =225a(3) =1225a(4) =13225a(5) =133225a(6) =10336225a(7) =1033622500a(8) =103362250000
External references
- oeis: A068176