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A030991 7-automorphic numbers: final digits of 7n^2 agree with n. +0
1
5, 75, 375, 4375, 84375, 984375, 8984375, 58984375, 458984375, 5458984375, 45458984375, 845458984375, 2845458984375, 22845458984375, 322845458984375, 2322845458984375, 22322845458984375 (list; graph; listen)
OFFSET

0,1

LINKS

Index entries for sequences related to automorphic numbers

Index entries for sequences related to final digits of numbers

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Sequence in context: A126740 A080473 A048350 this_sequence A127212 A091903 A105490

Adjacent sequences: A030988 A030989 A030990 this_sequence A030992 A030993 A030994

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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