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A029772 Every digit that appears in n also appears at least once in n^2. +0
4
0, 1, 5, 6, 10, 11, 25, 27, 50, 55, 60, 63, 64, 66, 74, 76, 95, 96, 99, 100, 101, 105, 110, 111, 112, 115, 116, 125, 139, 142, 199, 205, 211, 222, 225, 232, 250, 255, 261, 270, 275, 277, 278, 285, 288, 305, 323, 363, 364, 366, 371, 376, 405, 421 (list; graph; listen)
OFFSET

1,3

EXAMPLE

55^2 = 3025 and 5 appears in 3025.

CROSSREFS

See A046827, where it is required that the digits of n appear in n^2 at least as often as they appear in n.

Sequence in context: A064957 A008851 A079259 this_sequence A046827 A029780 A074913

Adjacent sequences: A029769 A029770 A029771 this_sequence A029773 A029774 A029775

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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