110250

Appears in sequences

• a(n) = (2*n + 4) * (1*3*5*...*(2*n+1))^2.at n=3A003955
• Partition number array, called M31(5), related to A049353(n,m)= |S1(5;n,m)| (generalized Stirling triangle).at n=34A144355
• Factorial base exp-function: digits in factorial base representation of n become the exponents of successive prime factors whose product a(n) is.at n=71A276076
• a(n) = lcm(A260443(n), A260443(1+n)).at n=25A284008
• Numbers k such that k and usigma(k) have the same set of prime divisors, where usigma(k) is the sum of unitary divisors of k (A034448).at n=32A329858
• a(n) = A276086(A328622(n)).at n=57A346102
• Triangle read by rows. T(n, k) = 1 if n = k, otherwise T(n, k) = Sum_{j=0..k-1} (-1)^(j - k - 1) * (n + j + 1)^(n-1) / (j! * (k - 1 - j)!).at n=51A360177
• First Sylvester wave. Triangle read by rows: Coefficients of the numerator of the polynomial part of the partition function restricted to partitions of the integer x with parts in (1,2,...,n). (The denominators are A375251.)at n=17A375252