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A054215
Squares that are concatenations of two consecutive decreasing numbers.
+0
8
8281, 82848241, 98029801, 538277538276, 998002998001, 7783702677837025, 9998000299980001, 79225472657922547264, 86432513458643251344, 92237976109223797609, 99998000029999800001, 106710893290106710893289
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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