a(1) = 1; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).
A068175
a(1) = 1; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).
Terms
- a(0) =1a(1) =16a(2) =169a(3) =1369a(4) =13689a(5) =134689a(6) =13446889a(7) =1344468889a(8) =134444688889
External references
- oeis: A068175