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!)
A044725 Numbers n such that string 1,2 occurs in the base 10 representation of n but not of n+1. 0

%I

%S 12,112,129,212,312,412,512,612,712,812,912,1012,1112,1129,1299,1312,

%T 1412,1512,1612,1712,1812,1912,2012,2112,2129,2212,2312,2412,2512,

%U 2612,2712,2812,2912,3012,3112,3129,3212,3312,3412

%N Numbers n such that string 1,2 occurs in the base 10 representation of n but not of n+1.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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 September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)