109395

Appears in sequences

• Coefficients of Legendre polynomials.at n=8A001800
• Numerators in expansion of (1 - x)^(-3/2).at n=8A001803
• a(0) = 1; thereafter a(n) = denominator of (n-2)!! / (n-1)!!.at n=18A004731
• Denominator of n!!/(n+3)!!.at n=14A004733
• Denominator of average distance traveled by n-dimensional fly.at n=15A004735
• Expansion of 1/(2*x) * (1/(1-4*x)^(3/2)-1).at n=7A033876
• a(n) is the product of Catalan(n) and (2^(n+1) - 1).at n=7A063016
• Numerators of inverse unimodal analog of binomial coefficients: binomial(n,m) = Sum_{k=0..n-m} a(2*k+m-1, 2*k).at n=46A072285
• LCM of n-th group of terms in A074147.at n=4A082736
• Numerator of mean deviation of a symmetrical binomial distribution on n elements.at n=16A086116
• Numerator of mean deviation of a symmetrical binomial distribution on n elements.at n=17A086116
• Triangle read by rows: T(n,k)=(1/2)*C(n+k,k)*C(n,n-k).at n=43A092370
• Numbers k such that both k and k+1 are abundant.at n=30A096399
• Table of denominators of coefficients of certain rational polynomials.at n=53A101023
• Numbers k such that both sigma(k) >= 2*k-1 and sigma(k+1) >= 2*(k+1)-1.at n=32A103289
• Triangular table of numerators of the coefficients of Laguerre-Sonin polynomials L(1/2,n,x).at n=36A131440
• Irregular triangle read by rows: coefficients of polynomials related to a family of convolutions of certain central binomial sequences.at n=50A142961
• Numerators of triangle T(n,k), n>=0, 0<=k<=n, read by rows: T(n,k) is the coefficient of x^(2k+1) in polynomial t_n(x), used to define continuous and n times differentiable sigmoidal transfer functions.at n=36A144815
• Numerators of the column sums of the EG1 matrix coefficients.at n=7A162441
• Odd part of the swinging factorial A056040.at n=17A163590