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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A170952 Take the Cantor set sequence A121153 and if the entry m = A121153(n) is in the range 3^k <= m < 3^(k+1), subtract 3^k from it. 3
0, 0, 1, 0, 1, 3, 4, 0, 1, 3, 9, 12, 13, 0, 1, 3, 9, 10, 27, 36, 39, 40, 0, 1, 3, 9, 27, 30, 81, 85, 108, 117, 120, 121, 0, 1, 3, 9, 27, 28, 81, 90, 91, 220, 243, 255, 307, 324, 351, 360, 363, 364, 0, 1, 3, 9, 27, 81, 84, 175, 243, 270, 273, 625, 660, 729, 733, 765, 921, 972, 1053 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

N. J. A. Sloane, Table of n, a(n) for n=1..179

EXAMPLE

If written as a triangle:

0,

0, 1,

0, 1, 3, 4,

0, 1, 3, 9, 12, 13,

0, 1, 3, 9, 10, 27, 36, 39, 40,

0, 1, 3, 9, 27, 30, 81, 85, 108, 117, 120, 121,

0, 1, 3, 9, 27, 28, 81, 90, 91, 220, 243, 255, 307, 324, 351, 360, 363, 364,

0, 1, 3, 9, 27, 81, 84, 175, 243, 270, 273, 625, 660, 729, 733, 765, 921, 972, 1053, 1080, 1089, 1092, 1093,

...

CROSSREFS

Cf. A121153, A170943, A170944, A170951.

Sequence in context: A096088 A107681 A021298 * A194587 A175646 A073234

Adjacent sequences:  A170949 A170950 A170951 * A170953 A170954 A170955

KEYWORD

nonn,tabf

AUTHOR

J. H. Conway, T. D. Noe and N. J. A. Sloane, Feb 22 2010

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 18 07:36 EST 2019. Contains 319269 sequences. (Running on oeis4.)