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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A044791 Numbers n such that string 7,8 occurs in the base 10 representation of n but not of n+1. 0
 78, 178, 278, 378, 478, 578, 678, 778, 789, 878, 978, 1078, 1178, 1278, 1378, 1478, 1578, 1678, 1778, 1789, 1878, 1978, 2078, 2178, 2278, 2378, 2478, 2578, 2678, 2778, 2789, 2878, 2978, 3078, 3178, 3278, 3378, 3478, 3578 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {7, 8}]>0, 1, 0], {n, 3600}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 02 2020 *) CROSSREFS Sequence in context: A046428 A119146 A044410 * A232386 A257484 A068130 Adjacent sequences:  A044788 A044789 A044790 * A044792 A044793 A044794 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 30 06:00 EDT 2022. Contains 354914 sequences. (Running on oeis4.)