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!)
A037978 Numbers whose maximal base 4 run length is 3. 1
21, 42, 63, 64, 84, 86, 87, 106, 127, 128, 149, 168, 169, 171, 191, 192, 213, 234, 252, 253, 254, 257, 258, 259, 277, 298, 319, 320, 336, 337, 338, 339, 344, 345, 346, 347, 348, 349, 350, 351, 362, 383, 384, 405, 424, 425, 427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

Select[Range[500], Max[Length/@Split[IntegerDigits[#, 4]]]==3&] (* Harvey P. Dale, Jul 16 2017 *)

CROSSREFS

Cf. A043278.

Sequence in context: A040420 A192130 A258188 * A089059 A114384 A008603

Adjacent sequences:  A037975 A037976 A037977 * A037979 A037980 A037981

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 31 10:14 EDT 2021. Contains 346373 sequences. (Running on oeis4.)