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a(1) = 1; set of digits of a(n)^2 is a proper subset of the set of digits of a(n+1)^2.
3

%I #3 Mar 30 2012 18:35:41

%S 1,4,13,36,113,487,1036,3267,10136,32043

%N a(1) = 1; set of digits of a(n)^2 is a proper subset of the set of digits of a(n+1)^2.

%Y Cf. A014563, A066825.

%K nonn,base,fini,full

%O 1,2

%A _David W. Wilson_, Feb 05 2002