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Consecutive Integer Series (Posted on 2007-05-14) Difficulty: 3 of 5
In the infinite series 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 5... each positive integer k appears k times in consecutive order.

Write a formula for the sum of the first n terms of the series.

See The Solution Submitted by Dennis    
Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(3): A formulaMindrod2007-05-17 00:33:26
SolutionFull expicit formulaJer2007-05-15 12:07:13
re(3): A formulaDennis2007-05-15 07:57:21
re: NAME ITCharlie2007-05-15 01:30:18
re(2): A formulaCharlie2007-05-15 01:23:01
re(2): A formulaDej Mar2007-05-14 22:28:57
re: A formulaMindrod2007-05-14 21:04:52
NAME ITAdy TZIDON2007-05-14 18:13:48
re: A formulaDennis2007-05-14 16:48:08
re: Better but worseDennis2007-05-14 16:28:10
Some ThoughtsBetter but worseJer2007-05-14 15:36:15
SolutionA formulaDej Mar2007-05-14 15:09:16
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