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A116174 Numbers k such that k concatenated with k+2 gives the product of two numbers which differ by 8. 8
1143, 4382, 4943, 24941511, 25058558, 94090583, 616729341438, 638432642423, 978717194478, 994009005983, 1636200161363007, 1710661666314798, 1805005185949007, 1906479843038783, 1986790648039982, 3072104679280383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also numbers k such that k concatenated with k+9 gives the product of two numbers which differ by 6.

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

94090583//94090585 = 97000297 * 97000305, where // denotes concatenation.

94090583//94090592 = 97000298 * 97000304.

CROSSREFS

Cf. A116168, A116173, A116175, A116181, A116305.

Cf. A116180, A116169, A116352.

Sequence in context: A132410 A252428 A251773 * A223194 A265504 A237458

Adjacent sequences: A116171 A116172 A116173 * A116175 A116176 A116177

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

EXTENSIONS

Edited by N. J. A. Sloane, Apr 13 2007

STATUS

approved

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Last modified November 28 05:56 EST 2022. Contains 358407 sequences. (Running on oeis4.)