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A078187 Smaller of the two successive squares which differ in the use of only one digit. 0
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; text; internal format)
OFFSET
1,2
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.
LINKS
EXAMPLE
1296 is a member as 1296 and 1369 differ in the use of only one digit i.e. 2 and 3.
CROSSREFS
Sequence in context: A166838 A166826 A295535 * A100256 A163944 A000596
KEYWORD
nonn,base
AUTHOR
Amarnath Murthy, Nov 21 2002
EXTENSIONS
Extended and edited by D. S. McNeil, Nov 20 2010
STATUS
approved

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Last modified June 16 16:46 EDT 2024. Contains 373432 sequences. (Running on oeis4.)