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!)
A080487 a(1) =2, 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

%I #5 Dec 05 2013 19:56:00

%S 2,12,132,10032,1003200,100320000,10032000000,1003200000000,

%T 100320000000000,10032000000000000,1003200000000000000,

%U 100320000000000000000,10032000000000000000000

%N a(1) =2, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1).

%Y Cf. A080486, A080488, A080489, A080490, A080491, A080492, A080493, A080494.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Mar 18 2003

%E More terms from _Ray Chandler_, Oct 11 2003

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 April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)