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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A033710 Number of fancy repdigit polyhedral numbers with n digits. 1
2, 6, 11, 4, 5, 15, 2, 5, 13, 4, 6, 16, 5, 5, 12, 8, 5, 15, 2, 6, 12, 3, 5, 14, 2, 7, 14, 4, 7, 15, 2, 6, 13, 3, 6, 18, 2, 6, 11, 4, 6, 16, 3, 5, 17, 5, 6, 15, 3, 5 (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: A162582 A123098 A136699 * A243157 A274689 A123112

Adjacent sequences:  A033707 A033708 A033709 * A033711 A033712 A033713

KEYWORD

nonn,base

AUTHOR

Mike Keith (domnei(AT)aol.com)

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 March 28 02:40 EDT 2017. Contains 284182 sequences.