81976

Appears in sequences

• Expansion of Product_{k > 0} (1 + f(k)*x^k), where f(1) = 1 and f(m) = prime(m-1) for m >= 2.at n=21A152006
• Number of length n+3 0..2 arrays with no disjoint pairs in any consecutive four terms having the same sum.at n=11A247720