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A122532 Set of all 9 digit numbers in which every pair of adjacent digit is a multiple of either of 2 distinct 2 digit numbers. 0
923468517, 195763842, 219576384, 384219576, 421957638, 576384219, 638421957, 763842195, 842195763, 957638421 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..10.

Puzzleup, Home page

EXAMPLE

195763842 and all its cyclically shifted versions are multiples of either 19 or 21.

923468517 is formed from 23 or 17 because 92=23*4,34=17*2 and so on

CROSSREFS

Sequence in context: A015382 A115385 A186805 * A172605 A015394 A114261

Adjacent sequences:  A122529 A122530 A122531 * A122533 A122534 A122535

KEYWORD

nonn,base

AUTHOR

Balakrishnan (bvarada2(AT)jhu.edu), Sep 17 2006

STATUS

approved

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Last modified April 26 09:52 EDT 2019. Contains 322472 sequences. (Running on oeis4.)