408595

Appears in sequences

• Number of distinct perforation patterns for deriving (v,b) = (n+3,n) punctured convolutional codes from (2,1).at n=9A007224
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=48A056610
• Quotient: squarefree kernel of lcm(1,..,n) (or of n!) divided by kernel of central binomial coefficient.at n=49A056610
• Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).at n=50A163644
• Certain directed lattice paths.at n=5A260776
• a(n) is the denominator of the sum of reciprocals of primes not exceeding n and not dividing binomial(2*n, n).at n=24A334075