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A116106
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 6.
5
9, 13, 99, 103, 183, 328, 528, 715, 999, 1003, 6099, 9999, 10003, 13224, 40495, 99999, 100003, 106755, 453288, 999999, 1000003, 2066115, 2975208, 9999999, 10000003, 22145328, 28027683, 99999999, 100000003, 110213248, 110667555
OFFSET
1,1
EXAMPLE
999999999//999999991 = 999999997 * 1000000003, where // denotes concatenation.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved