601080389

Appears in sequences

• Central binomial coefficient - 1.at n=32A014495
• Number of combinations of n things from 1 to n at a time, with repeats allowed.at n=15A030662
• A054525 * A000984.at n=16A134764
• a(n) = binomial(2*n-2, n-1) + (-1)^n.at n=16A286033
• a(n) = Sum_{d|n} mu(n/d) * binomial(n+d-2, n-1).at n=16A332470
• Continued fraction expansion of Sum_{k>=0} 1/(2^k)!.at n=21A387398
• Continued fraction expansion of Sum_{k>=0} 1/(2^k)!.at n=60A387398