login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A044012 Numbers n such that 1 and 9 occur juxtaposed in the base 10 representation of n but not of n+1. 0
19, 91, 119, 199, 219, 291, 319, 391, 419, 491, 519, 591, 619, 691, 719, 791, 819, 891, 919, 991, 1019, 1091, 1119, 1199, 1219, 1291, 1319, 1391, 1419, 1491, 1519, 1591, 1619, 1691, 1719, 1791, 1819, 1891, 1999, 2019, 2091 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..41.

CROSSREFS

Sequence in context: A039409 A038653 A043232 * A288485 A214532 A118294

Adjacent sequences:  A044009 A044010 A044011 * A044013 A044014 A044015

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 11 11:31 EST 2017. Contains 295876 sequences.