A072533 Least Keith number (or repfigit) with n digits, or 0 if there is none.

14, 197, 1104, 31331, 120284, 1084051, 11436171, 129572008, 0, 24769286411, 171570159070, 1934197506555, 43520999798747, 120984833091531, 3621344088074041, 11812665388886672, 119115440241433462, 1362353777290081176, 12763314479461384279, 855191324330802397989, 7657230882259548723593, 26842994422637112523337, 229146413136585558461227, 9838678687915198599200604, 18354972585225358067718266, 133118411174059688391045955, 9493976840390265868522067200, 41796205765147426974704791528

Offset

2,1

Comments

There are no 10-digit Keith numbers.

Links

Table of n, a(n) for n=2..29.

Crossrefs

Cf. A007629.

Sequence in context: A001023 A278476 A067221 * A041085 A124239 A041366

Adjacent sequences: A072530 A072531 A072532 * A072534 A072535 A072536

Keyword

base,nonn

Author

Benoit Cloitre, Aug 04 2002

Extensions

Extended by T. D. Noe, Mar 15 2011

Status

approved