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A080162 Demlo numbers A002477 whose digit sums are squares. +0
4
1, 121, 12321, 1234321, 123454321, 12345654321, 1234567654321, 123456787654321, 12345678987654321, 12345679012345679012345679012345678987654320987654320987654320987654321 (list; graph; listen)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Demlo Number

CROSSREFS

Cf. A080160, A080161, A002477, A080151.

Sequence in context: A057139 A002477 A068117 this_sequence A030174 A066625 A078277

Adjacent sequences: A080159 A080160 A080161 this_sequence A080163 A080164 A080165

KEYWORD

nonn,base

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 31, 2003

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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