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A052069
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a(n)^2 is the smallest square whose digits occur with the same frequency n.
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6
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OFFSET
| 1,2
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LINKS
| P. De Geest, Numbers whose digits occur with same frequency
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EXAMPLE
| E.g. 31646191^2 = 1001481404808481 and its digits 0, 1, 4 and 8 each occur four times.
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CROSSREFS
| Cf. A052070, A045540, A052046, A052049, A052050, A052071.
Sequence in context: A188762 A188991 A189201 * A174499 A048919 A159718
Adjacent sequences: A052066 A052067 A052068 * A052070 A052071 A052072
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KEYWORD
| nonn,base,more,nice
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.
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EXTENSIONS
| 2 more terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Aug 18 2007
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