login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A116211 Numbers n such that n concatenated with n+7 gives the product of two numbers which differ by 9. 4
1953, 3115, 6153, 1016574047215119910181525023, 2440558249789368730986767575, 2560156942576450203707692923, 4639822375038697733267413875, 4868700733912235016077891029 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

6153//6160 = 7840 * 7849, where // denotes concatenation.

CROSSREFS

Cf. A116203, A116210, A116216, A116342.

Sequence in context: A249324 A249217 A155809 * A234560 A232389 A209946

Adjacent sequences:  A116208 A116209 A116210 * A116212 A116213 A116214

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 8 22:05 EDT 2021. Contains 343668 sequences. (Running on oeis4.)