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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

999999999//999999991 = 999999997 * 1000000003, where // denotes concatenation.

CROSSREFS

Cf. A116098, A116105, A116107, A115426, A116237.

Sequence in context: A258286 A166662 A108748 * A123813 A147498 A115445

Adjacent sequences:  A116103 A116104 A116105 * A116107 A116108 A116109

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 21 07:28 EDT 2021. Contains 347596 sequences. (Running on oeis4.)