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A077192
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{Concatenation of n-1 and n+1}/n where n is a member of A069871.
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1
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8, 90, 92, 98, 992, 998, 9992, 9998, 99992, 99998, 999992, 999994, 999998, 9999992, 9999998, 99999992, 99999998, 999999992, 999999998, 9999999992, 9999999998, 99999999992, 99999999998, 999999999992, 999999999994, 999999999998, 9999999999992
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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EXAMPLE
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8 and 90 are members since 24/3 = 8, 810/9 = 90.
999994 is in sequence because 999994 = 142856142858/142857 and 142857 is a member of A069871.
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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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EXTENSIONS
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Inserted missing terms a(12) and a(25) by Paolo P. Lava, Nov 05 2014
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STATUS
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approved
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