The integer 30 can be written as a sum of consecutive positive integers in three ways:
30 = 9+10+11 = 6+7+8+9 = 4+5+6+7+8.

Find the smallest positive integer which can be written as a sum of consecutive positive integers in 12 ways.

(In reply to ummm... by Thalamus)

152-163 makes a 15th way of adding to 1890

Posted by Charlie on 2004-06-28 17:00:40