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A077192 {Concatenation of n-1 and n+1}/n where n is a member of A069871. 1
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)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..26.

EXAMPLE

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.

CROSSREFS

Cf. A069871.

Sequence in context: A131655 A105718 A045732 * A128304 A247728 A056784

Adjacent sequences:  A077189 A077190 A077191 * A077193 A077194 A077195

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Nov 01 2002

EXTENSIONS

More terms from Sascha Kurz, Feb 10 2003

Inserted missing terms a(12) and a(25) by Paolo P. Lava, Nov 05 2014

STATUS

approved

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Last modified September 25 17:14 EDT 2021. Contains 347659 sequences. (Running on oeis4.)