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Search: id:A053889
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A053889 Squares composed of digits {1,2,9}. +0
3
1, 9, 121, 29929, 9991921, 1212919929, 1929229929, 1991212129, 2929299129, 1229129212921, 92222199291121, 219992999929921, 99221129991291219129, 2291192212129911919221121 (list; graph; listen)
OFFSET

1,2

LINKS

Author?, Source(txt)

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

CROSSREFS

Cf. A053888.

Sequence in context: A050353 A112941 A045976 this_sequence A087584 A138438 A085528

Adjacent sequences: A053886 A053887 A053888 this_sequence A053890 A053891 A053892

KEYWORD

nonn,base,more

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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