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A307257
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Numbers k such that k is the substring identical to the most significant digits of its base-6 representation.
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4
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0, 1, 2, 3, 4, 5, 155133423353, 1535554025003332541, 1541322512150022100, 14544222532144144105400055, 15313352033401001032012412, 144510301032554451200342301123415, 145033105231511102401034455341005, 152142233320210504134120425450055, 1435322205115414041210434301130104431115
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Numbers k whose base-6 representation begins with the same digits as k itself.
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LINKS
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EXAMPLE
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155133423353_10 = 155133423353145_6, which also begins with '155133423353'.
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PROG
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(PARI) isok(n) = my(vb=digits(n, 6), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, Apr 08 2019
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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