SOLUTION: In Pascals Triangle...if the sequence in the 2nd diagonal is1,2,3,4....what is the formula for the nth term in that diagonal?

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Question 1098622: In Pascals Triangle...if the sequence in the 2nd diagonal is1,2,3,4....what is the formula for the nth term in that diagonal?
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!
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Then the formula is  a%5Bn%5D = n.