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!)
A037080 In ternary expansion of n, reading from right to left, successive runs of the digits occur in order ...,0,1,2,0,1,2,... 1
0, 1, 2, 3, 4, 7, 8, 9, 11, 12, 13, 21, 22, 25, 26, 27, 29, 34, 35, 36, 38, 39, 40, 63, 65, 66, 67, 75, 76, 79, 80, 81, 83, 88, 89, 102, 103, 106, 107, 108, 110, 115, 116, 117, 119, 120, 121, 189, 191, 196, 197, 198, 200, 201, 202, 225, 227, 228, 229, 237, 238, 241 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..61.

EXAMPLE

For example, any number whose ternary expansion is 11..100..02..211..11 passes the test.

CROSSREFS

Cf. A037078-A037081.

Sequence in context: A073798 A124375 A287664 * A167055 A022162 A022164

Adjacent sequences:  A037077 A037078 A037079 * A037081 A037082 A037083

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Erich Friedman

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 January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)