Tue 16 Aug 2016

Solution - Challenge 47 - Generate Pentagonal Series

By |Tuesday, August 16th, 2016|Categories: Solutions|Tags: , , , , , , , |0 Comments

Below isĀ  a possible solution to the problem - Challenge 47 - Generate Pentagonal Series

Put following formula and drag down -

=ROWS($1:1)*(3*ROWS($1:1)-1)/2

Sat 16 Jul 2016

Challenge 47 - Generate Pentagonal Series

By |Saturday, July 16th, 2016|Categories: Challenges|Tags: , , , , , , , |2 Comments

Pentagonal number series is following - 1, 5, 12, 22, 35, 51, 70, 92, 117, 145, 176....

You need to write an Excel formula which can be dragged down and generates the above sequence.

The solution to this problem will be published after a month i.e. on 16-Aug-16.