6129723600

Appears in sequences

• Denominators of expansion of exp x / sin x.at n=14A007451
• Denominators of coefficients of expansion of sinh(x)/sin(x) (even powers only).at n=7A069854
• Number of nX2 arrays containing 2 copies of 0..n-1 with every element equal to or 1 greater than any northeast neighbor modulo n and the upper left element equal to 0.at n=11A267832
• Number of ordered set partitions of [n] with nondecreasing block sizes and maximal block size equal to two.at n=11A272492