[go: up one dir, main page]
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!)
A033708 Number of simple repdigit polyhedral numbers with n digits. 1
15, 21, 21, 24, 21, 22, 24, 24, 22, 24, 21, 22, 24, 24, 22, 25, 21, 22, 24, 25, 23, 24, 21, 22, 25, 24, 22, 25, 21, 22, 24, 24, 22, 24, 21, 23, 24, 25, 23, 25, 21, 22, 24, 26, 23, 24, 21, 22, 25, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..50.
M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.
CROSSREFS
Sequence in context: A043905 A072310 A166645 * A343821 A294171 A373575
Adjacent sequences: A033705 A033706 A033707 * A033709 A033710 A033711
KEYWORD
nonn,base
AUTHOR
Mike Keith
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 August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)