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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
OFFSET
1,1
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 A375644
KEYWORD
nonn,base
AUTHOR
Balakrishnan (bvarada2(AT)jhu.edu), Sep 17 2006
STATUS
approved