100905

Appears in sequences

• Partition the j digits of n into blocks of k, with 1 <= k <= j-1, starting at right and multiply. Sum of these numbers equals n.at n=13A275170
• a(n) = coefficient of x^(2*n-1)/(2*n-1)! in the odd function A(x) = Integral Product_{n>=1} 1/(1 - x^(2*n))^((2*n-1)/(2*n)) dx.at n=4A357228
• Number of matchings of [2n] with no coupled arcs.at n=7A382139