The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A043587 Numbers whose base-3 representation has exactly 7 runs. 0
820, 821, 825, 826, 829, 830, 831, 833, 867, 869, 870, 871, 874, 875, 879, 880, 901, 902, 906, 907, 910, 911, 912, 914, 921, 923, 924, 925, 937, 938, 939, 941, 1245, 1247, 1248, 1249, 1261, 1262, 1263, 1265, 1272, 1274, 1275 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[1300], Length[Split[IntegerDigits[#, 3]]]==7&] (* Harvey P. Dale, Feb 23 2011 *)
CROSSREFS
Cf. A007089.
Sequence in context: A229409 A015308 A156414 * A043791 A043805 A043813
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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 15 11:51 EDT 2024. Contains 373407 sequences. (Running on oeis4.)