A116181 - OEIS

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A116181

Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 8.

5

57, 1062, 4545, 9517, 65040816823705919148274557212824575357, 73854453524198329292125744115286819630, 78444109191135472482770868099397646205

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

9517//9520 = 9752 * 9760, where // denotes concatenation.

CROSSREFS

Cf. A116174, A116180, A116182, A116189, A116312.

Sequence in context: A231311 A008922 A332947 * A336734 A333109 A208601

Adjacent sequences: A116178 A116179 A116180 * A116182 A116183 A116184

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved