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A118937 Sub-Kaprekar numbers (1): n such that n=q-r and n^2=q*10^m+r, for some m>=1, q>=0, 0<=r<10^m, with n not a power of 10.

%I A118937 #2 Mar 30 2012 17:40:41
%S A118937 11,101,1001,1078,1287,1364,10001,11096,100001,118183,1000001,1336634,
%T A118937 10000001,12727274,100000001,123529412,1000000001,1019138757,
%U A118937 1025974026,1097744361,1120879122,1140017878,1165991904,1237762239,1288553552
%N A118937 Sub-Kaprekar numbers (1): n such that n=q-r and n^2=q*10^m+r, for some m>=1, q>=0, 0<=r<10^m, with n not a power of 10.
%e A118937 1287^2 = 1656369 and 1656-369 = 1287.
%e A118937 A larger example: 1594563333^2 = 2542632222948068889 and
%e A118937 2542632222-948068889=1594563333.
%Y A118937 Cf. A006886, A118936, A118938.
%K A118937 base,nonn
%O A118937 1,1
%A A118937 _Giovanni Resta_, May 06 2006