125829120

Appears in sequences

• A hierarchical sequence (S(W'2{3}*c) - see A059126).at n=19A059162
• a(n) = 15*2^n.at n=23A110286
• Third differences of A129952.at n=24A129955
• Denominators of partial products of a Hardy-Littlewood constant.at n=14A191999
• Triangular array read by rows. T(n,k) is the number of k-colored labeled digraphs with n vertices, n>=1, 1<=k<=n.at n=14A240955
• Number of edges in geodesic dome generated from icosahedron by recursively dividing each triangle in 4.at n=12A277451
• 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 81", based on the 5-celled von Neumann neighborhood.at n=26A285654
• 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 213", based on the 5-celled von Neumann neighborhood.at n=26A286733
• 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 294", based on the 5-celled von Neumann neighborhood.at n=26A287506
• a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n)).at n=23A287705
• a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n, x)).at n=23A287706
• 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 339", based on the 5-celled von Neumann neighborhood.at n=26A287741
• a(n) = Product_{d|n} (tau(d)*pod(d)) where tau(k) = the number of divisors of k (A000005) and pod(k) = the product of the divisors of k (A007955).at n=15A307101
• a(n) = coefficient of x^(2*n) in C(x) defined by: C(x) + i*S(x) = Sum_{n=-oo..+oo} i^n * (2*x)^(n^2) * F(x)^n, where F(x) is the g.f. of A357787 such that C(x)^2 + S(x)^2 = 1.at n=10A357788
• a(n) = n! * 4^binomial(n, 2).at n=5A376868
• a(n) is the least k such that the sum of k and the k-th number with n prime factors (counted with multiplicity) has n prime factors (counted with multiplicity).at n=29A381630