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A051020
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Numbers that are 4-persistent but not 5-persistent.
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9
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1053274689, 1089467253, 1253094867, 1267085493, 1268547309, 1269085473, 1273085469, 1308547269, 1308549267, 1326854907, 1327068549, 1328746905, 1450687329, 1450732869, 1450867293, 1450928673, 1452687309, 1452690873
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| A number n is k-persistent iff all of {n, 2n,..., kn} are pandigital (in the sense of A171102).
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LINKS
| Hans Havermann, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Persistent Number
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PROG
| (PARI) is_A051020(n)=for(i=1, 5, 9<#Set(Vec(Str(i*n))) | return(i>4)) \\ - M. F. Hasler, Jan 10 2012
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CROSSREFS
| Cf. A171102 (pandigital), A204047 (smallest n-persistent), A051264 (1-persistent), A051018 (2-persistent), A051019 (3-persistent), A204096 (5-persistent), A204097 (6-persistent).
Sequence in context: A197952 A167476 A051019 * A115940 A049446 A011580
Adjacent sequences: A051017 A051018 A051019 * A051021 A051022 A051023
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KEYWORD
| nonn,base
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
| Definition corrected by Franklin T. Adams-Watters, Jan 09 2012
Sequence corrected by Hans Havermann (gladhobo(AT)teksavvy.com), Jan 11 2012
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