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%I #9 May 18 2020 22:40:02
%S 1,121,3721,13924,135424,1236544,13527684,13527684,139854276,
%T 11738205649,10112819764356,1011123678945241,10118426359171321,
%U 10111134329645378121,1011111632116847554329,10111124953183456116721,1011111119736855441726321,101111112641746351915327881,10111111111271587168434259369
%N Smallest square containing all the digits of numbers from 1 to n. For a(10) and higher, all duplicated digits must be in the term (for example a(10) has two 1's).
%e a(5) = 335241 = 579^2 contains digits 1,2,3,4 and 5.
%Y Cf. A088628.
%K nonn,base,more
%O 1,2
%A _Amarnath Murthy_, Mar 25 2002
%E Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jan 20 2003
%E a(14)-a(15) from _Giovanni Resta_, Aug 06 2019
%E a(16)-a(19) from _Chai Wah Wu_, May 18 2020