login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A080489 a(1) =4, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1). 8
4, 24, 264, 20064, 2006400, 200640000, 20064000000, 2006400000000, 200640000000000, 20064000000000000, 2006400000000000000, 200640000000000000000, 20064000000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..13.

CROSSREFS

Cf. A080486, A080487, A080488, A080490, A080491, A080492, A080493, A080494.

Sequence in context: A340023 A192983 A077700 * A101228 A009104 A255440

Adjacent sequences:  A080486 A080487 A080488 * A080490 A080491 A080492

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Mar 18 2003

EXTENSIONS

More terms from Ray Chandler, Oct 11 2003

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 13 08:18 EDT 2022. Contains 356079 sequences. (Running on oeis4.)