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!)
A119215 Numbers k such that the k-th triangular number contains only digits {4,6,9}. 2
3, 11, 31, 36, 43, 96953253343 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Next term exceeds 1.4*10^16.
LINKS
CROSSREFS
Cf. A000217, A119214. See A119034 for a table of cross-references.
Sequence in context: A003554 A003523 A018781 * A266970 A057172 A277167
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
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 February 25 13:12 EST 2024. Contains 370330 sequences. (Running on oeis4.)