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Zeroless pandigital 9-digit numbers which are the concatenation of three squares.
3

%I #8 Mar 21 2013 12:34:07

%S 125673984,132978564,136925784,136978425,138572964,139876254,

%T 139876425,143297856,143857296,145827396,146385729,148567329,

%U 149572836,149872356,153728964,153762894,153764289,158273964,158763249,158769324,162573984

%N Zeroless pandigital 9-digit numbers which are the concatenation of three squares.

%C Sequence is finite with last term a(158)=957283641. There are 6 permutations of each of the 27 triples identified in A162554, less 4 duplicates identified in A162839.

%H Ray Chandler, <a href="/A162450/b162450.txt">Table of n, a(n) for n=1..158</a> (full sequence)

%e a(1) = 125673984: "1" + "256" + "73984".

%e a(8) = 143297856: "1" + "4" + "3297856".

%e a(48) = 258417396: "25" + "841" + "7396".

%Y Cf. A162554, A162839.

%K fini,full,nonn,base

%O 1,1

%A _Claudio Meller_, Jul 03 2009

%E Edited, corrected and extended by _Ray Chandler_, Jul 14 2009