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A134808 Cyclops numbers. +0
5
0, 101, 102, 103, 104, 105, 106, 107, 108, 109, 201, 202, 203, 204, 205, 206, 207, 208, 209, 301, 302, 303, 304, 305, 306, 307, 308, 309, 401, 402, 403, 404, 405, 406, 407, 408, 409, 501, 502, 503, 504, 505, 506, 507, 508, 509, 601, 602, 603, 604, 605, 606 (list; graph; listen)
OFFSET

1,2

COMMENT

Numbers that have only one digit "0" and the digit "0" is the central digit. The digit "0" represent the eye of the cyclops. The number of digits of a cyclops number is odd.

EXAMPLE

109 is a cyclops number because 109 have only one digit "0" and the digit "0" is the central digit.

CROSSREFS

Adjacent sequences: A134805 A134806 A134807 this_sequence A134809 A134810 A134811

Sequence in context: A067748 A138719 A043639 this_sequence A030474 A131687 A048528

KEYWORD

base,easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Nov 21 2007

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.


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