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A078187
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Smaller of the two successive squares which differ in the use of only one digit.
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0
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1, 4, 49, 225, 441, 576, 784, 1296, 2304, 5041, 7396, 8464, 9409, 12769, 17689, 18496, 21609, 23104, 26569, 30276, 32041, 34596, 36481, 40401, 45369, 53824, 55696, 62001, 69169, 71289, 77284, 116964, 121104, 123904, 148996
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Sequence is infinite. Consider squaring 2*10^k+1 and 2*10^k+2 for k >= 1: (441, 484), (40401, 40804), (4004001, 4008004), etc.
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EXAMPLE
| 1296 is a member as 1296 and 1369 differ in the use of only one digit i.e. 2 and 3.
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CROSSREFS
| Sequence in context: A041065 A166838 A166826 * A100256 A163944 A000596
Adjacent sequences: A078184 A078185 A078186 * A078188 A078189 A078190
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KEYWORD
| nonn,base
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 21 2002
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EXTENSIONS
| Extended and edited by D. S. McNeil (mcneil(AT)hku.hk), Nov 20 2010
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