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A030987
4-automorphic numbers: final digits of 4n^2 agree with n.
+0
1
4, 44, 344, 7344, 77344, 777344, 6777344, 46777344, 446777344, 446777344, 20446777344, 20446777344, 5020446777344, 35020446777344, 935020446777344, 5935020446777344, 35935020446777344
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
AT&T Labs Research
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