A050629 - OEIS

%I #9 Oct 15 2019 00:03:27

%S 1,4,13,237,6013,3655347,6491041181267

%N a(n+1)^2 is next smallest nontrivial square containing a(n)^2 as a substring, initial term is 1.

%F a(n) = sqrt(A050628(n)).

%Y Cf. A050628, A048558, A050631, A050633, A050635.

%K nonn,base,more

%O 1,2

%A _Patrick De Geest_, Jul 15 1999

%E a(7) from _Max Alekseyev_, Feb 15 2012