573440

Appears in sequences

• Denominator of (2/Pi)*Integral_{0..inf} (sin x / x)^n dx.at n=8A002298
• Triangle whose (n, k)-th entry is binomial(n, k)*4^(n - k)*4^k.at n=31A038234
• Triangle whose (n, k)-th entry is binomial(n, k)*4^(n - k)*4^k.at n=32A038234
• Denominator of mass (Sum 1/|Aut(H)|) of Hadamard matrices of order 4n.at n=3A048616
• One quarter of fourth unsigned column of Lanczos' triangle A053125.at n=6A054329
• 16-almost primes (generalization of semiprimes).at n=18A069277
• Triangle read by rows. T(n, m) are the coefficients of Sidi polynomials.at n=31A075513
• a(n) = 2^(n-3)*(n+2)*(n+3)*(n+4)/3.at n=12A080930
• Dimensions of the irreducible representations of the simple Lie algebra of type E7 over the complex numbers, listed in increasing order.at n=22A121736
• Denominators of expansion of exp(1-sqrt(1-3*x)).at n=8A144526
• Triangle t(n,m)= (m+1)^n*binomial(n,m) if m <= n/2, otherwise t(n,m) = t(n,n-m).at n=31A167034
• Triangle t(n,m)= (m+1)^n*binomial(n,m) if m <= n/2, otherwise t(n,m) = t(n,n-m).at n=32A167034
• Hankel transform of A123164.at n=5A180966
• a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=14A187274
• Triangle T(n,k) read by rows: T(n,k) is the number of unrooted hypertrees on n labeled vertices with k hyperedges, n >= 2, 1 <= k <= n-1.at n=25A210587
• Least number of the form 11*m-1 with exactly n prime factors, counted with multiplicity.at n=15A225210
• Triangular array read by rows: T(n, k) is the number of rooted forests on {1, 2, ..., n} in which one tree has been specially designated that contain exactly k trees; n >= 1, 1 <= k <= n.at n=31A225465
• Triangular array read by rows. T(n,k) is the number of square lattice walks that start and end at the origin after 2n steps having k primitive loops; n>=1, 1<=k<=n.at n=34A227997
• Triangle read by rows, T(n, k) = 4^n*[x^k]hypergeometric([3/2, -n], [3], -x), n>=0, 0<=k<=n.at n=38A254632
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 222", based on the 5-celled von Neumann neighborhood.at n=28A286777