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A107277 If n <= 1 then n else smallest number having in decimal representation exactly one common digit with its predecessor but none with its pre-predecessor. 0
0, 1, 12, 20, 30, 31, 41, 42, 52, 53, 63, 64, 74, 75, 85, 86, 96, 97, 107, 122, 233, 300, 401, 422, 523, 560, 611, 712, 730, 804, 811, 912, 930, 3444, 4111, 5001, 5222, 6233, 6400, 7011, 7222, 8233, 8400, 9011, 9222, 23333, 30000, 40111, 42222, 52333, 56000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..50.

CROSSREFS

Sequence in context: A110187 A096156 A210968 * A256883 A124672 A289980

Adjacent sequences:  A107274 A107275 A107276 * A107278 A107279 A107280

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 19 2005

STATUS

approved

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Last modified February 28 01:49 EST 2020. Contains 332319 sequences. (Running on oeis4.)