1568000

Appears in sequences

• a(n) = n*(n+1)*(n+2)*a(n-1)/6 for n >= 1; a(0) = 1.at n=6A087047
• a(n) = the numerator of b(n): {b(n)} is such that the continued fraction (of rational terms) [b(1);b(2),...,b(n)] equals the n-th prime, for every positive integer n.at n=39A128270
• a(n) = the denominator of b(n): {b(n)} is such that the continued fraction (of rational terms) [b(1);b(2),...,b(n)] equals the n-th prime, for every positive integer n.at n=42A128271