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

 Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A043223 Numbers n such that 0 and 8 occur juxtaposed in the base 10 representation of n but not of n-1. 0
 80, 108, 180, 208, 280, 308, 380, 408, 480, 508, 580, 608, 680, 708, 780, 800, 880, 908, 980, 1008, 1080, 1108, 1180, 1208, 1280, 1308, 1380, 1408, 1480, 1508, 1580, 1608, 1680, 1708, 1780, 1800, 1880, 1908, 1980, 2008, 2080 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {0, 8}]>0 || SequenceCount[ IntegerDigits[n], {8, 0}]>0, 1, 0], {n, 2100}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 21 2017 *) CROSSREFS Sequence in context: A143755 A105449 A223084 * A039400 A044003 A062376 Adjacent sequences:  A043220 A043221 A043222 * A043224 A043225 A043226 KEYWORD nonn,base AUTHOR 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.

Last modified December 1 12:50 EST 2020. Contains 338833 sequences. (Running on oeis4.)