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A053972
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Numbers n such that n^2 contains only digits {6,7,9}.
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1
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3, 26, 264, 313, 3114, 3114113, 278922387, 881361264, 2603208937, 3125343176, 312518799063, 2770739969214, 8366461419063
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source, (txt)
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CROSSREFS
| Cf. A053973.
Sequence in context: A052141 A062793 A048861 * A204561 A126738 A109074
Adjacent sequences: A053969 A053970 A053971 * A053973 A053974 A053975
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KEYWORD
| nonn,base,more
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
| More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
Two more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 04 2006
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