login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A164700 Base 10 integers n such that n base 7 is a substring of n base 3. 1
0, 1, 2, 357, 358, 359, 449, 450, 2417, 2450, 4901, 5146, 34056, 34301, 36752, 39202, 39207, 151326, 153777, 154022, 156473, 156506, 156751, 6005594, 6605901, 12476003, 12490737, 12492410, 12505208, 12506909, 12622759, 13213405 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Zak Seidov, Table of n, a(n) for n = 1..99

EXAMPLE

a(8)=2417 because 2417 base 10 = 10022 base 7 = 10022112 base 3, and the string 10022 appears in 10022112.

CROSSREFS

Sequence in context: A278926 A187523 A172860 * A230688 A062381 A077350

Adjacent sequences:  A164697 A164698 A164699 * A164701 A164702 A164703

KEYWORD

base,easy,nonn

AUTHOR

Gil Broussard, Aug 22 2009

EXTENSIONS

More terms from Zak Seidov, Aug 23 2009

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 19 16:10 EST 2017. Contains 294936 sequences.