Search: id:A030287
Results 1-1 of 1 results found.

%I A030287
%S A030287 0,1,2,3,4,5,6,7,9,15,19,20,23,26,29,30,34,47,56,65,83,85,90,156,
%T A030287 241,264,265,291,300,334,448,563,638,715,780,961,2000,2261,2457,
%U A030287 3335,5478,7154,9128,9569,14220,17654,20000,22609,26462,28604,30000
%N A030287 Digits of a(n)^2 do not appear in a(n-1)^2.
%C A030287 a(n)=sqrt(A030288(n)) - Zak Seidov (zakseidov(AT)yahoo.com), Feb 20 2009
%C A030287 Next terms <37*10^8: 55784, 85270, 90062, 95000, 105426, 141435, 210042, 
               223827, 247738, 283000, 333334, 447247, 557794, 707497, 781776, 895550, 
               1055056, 1414245, 1764844, 2236267, 2472194, 2830000, 3333334, 4472228, 
               7184474, 8944297, 10543319, 14142947, 17645146, 20000000, 22607767, 
               54800000, 71492137, 200000000, 226077667, 264639448, 284800227, 548000000, 
               714920359, 2000000000, 2260776677. - Zak Seidov (zakseidov(AT)yahoo.com), 
               Feb 20 2009
%Y A030287 Cf. A030288 = squares whose digits do not appear in previous term.
%Y A030287 Sequence in context: A143286 A160339 A033072 this_sequence A030153 A039126 
               A083376
%Y A030287 Adjacent sequences: A030284 A030285 A030286 this_sequence A030288 A030289 
               A030290
%K A030287 nonn,base
%O A030287 0,3
%A A030287 Patrick De Geest (pdg(AT)worldofnumbers.com)
%E A030287 Edited by N. J. A. Sloane, (njas(AT)research.att.com), Feb 22 2009 at 
               the suggestion of R. J. Mathar

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