Arithmetic sequences?

how do you get Tn in Arithmetic sequence if the patterns of the Hexagons does not continue in the same manner? The sequence is 2,6,12,20... I must ge

how do you get Tn in Arithmetic sequence if the patterns of the Hexagons does not continue in the same manner?
The sequence is 2,6,12,20...
I must get Tn answer but I can t please help

or:how do you get Tn in Arithmetic sequence if the patterns of the Hexagons does not continue in the same manner? The sequence is 2,6,12,20... I must get Tn answer but I can t please help


or:That is not an arithmetic sequence. An arithmetic sequence is when a fixed number is added at each step.

Tags:pattern,sequence,