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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A033711 Number of fancy repdigit polyhedral numbers with <=n digits. 0
2, 8, 19, 23, 28, 43, 45, 50, 63, 67, 73, 89, 94, 99, 111, 119, 124, 139, 141, 147, 159, 162, 167, 181, 183, 190, 204, 208, 215, 230, 232, 238, 251, 254, 260, 278, 280, 286, 297, 301, 307, 323, 326, 331, 348, 353, 359, 374, 377, 382 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Partial sums of A033710. - Joerg Arndt, Nov 30 2014

LINKS

Table of n, a(n) for n=1..50.

M. Keith, On Repdigit Polygonal Numbers, J. Integer Sequences, Vol. 1, 1998, #6.

CROSSREFS

Cf. A033710.

Sequence in context: A058217 A183183 A072675 * A093012 A049525 A286263

Adjacent sequences:  A033708 A033709 A033710 * A033712 A033713 A033714

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 May 23 12:45 EDT 2017. Contains 286915 sequences.