perplexus.info :: Numbers : Summing Ones

Home > Numbers

Summing Ones (Posted on 2013-02-27)

Find the sum
1+11+111+.......+111..111(n digits)

No Solution Yet Submitted by Danish Ahmed Khan

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

re(2): No Subject (spoiler)

Comment 4 of 4 |

(In reply to re: No Subject (spoiler) by Charlie)

CH,

You are right. My entry was from a smartphone under very harsh conditions

1 SHOULD BE 10 IN MY S(n) formula

I have checked for n=1 , 2 ,3 and copied to post, omitting ZERO

Quck, but erroneous.

Thanks for your remark,

I HAVE EDITED MY POST.

Edited on February 27, 2013, 4:16 pm

Posted by Ady TZIDON on 2013-02-27 15:51:44

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (21)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info