7864320

Appears in sequences

• Denominators of an asymptotic expansion for the number of forests on n nodes (A001858).at n=13A006573
• Number of divisors of n!.at n=33A027423
• Integer part of denominators of nonzero terms in asymptotic expansion of the Riemann-Seigel Z-function.at n=16A050277
• Binomial transform of A001651.at n=19A084858
• Number of subsets of {1,.., n} containing at least one square.at n=22A089888
• (Product of first n even numbers)/(product of first k odd numbers) where k is chosen to give the least integer.at n=10A092978
• a(n) = 2^n*binomial(n,2).at n=16A100381
• a(n) = 15*2^n.at n=19A110286
• Numbers n such that sigma(uphi(n)) = n where uphi is the unitary totient (or unitary phi) function (see A047994).at n=35A120116
• a(n) = n*(n-1)*8^n.at n=6A128802
• First differences of Mersenne numbers A001348.at n=7A139238
• Numbers k such that k is a member of A002183 but 2*k is not.at n=7A160233
• Number of ways to assemble an n-cube from 2n labeled (n-1)-cubes with labeled vertices, where left-handed and right-handed counterparts are considered distinct.at n=2A165642
• a(n) = (7 + (-1)^n + 6*n)*2^(n-3).at n=19A179608
• Main transitions in systems of n particles with spin 3/2.at n=9A212698
• Number of edges in geodesic dome generated from icosahedron by recursively dividing each triangle in 4.at n=10A277451
• 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=22A285654
• 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=22A286733
• 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=22A287506
• 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=22A287741