What is the formula involving binomial coefficients for the nth term of the following sequence:

1, 1, 1, 3, 1, 5, 15, 35, 1, 9,...

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- July 20th 2011, 09:39 AMSaphiraFormula for Sequence
What is the formula involving binomial coefficients for the nth term of the following sequence:

1, 1, 1, 3, 1, 5, 15, 35, 1, 9,...