64512

Appears in sequences

• Theta series of 14-dimensional unimodular lattice (E7+E7)+.at n=5A004535
• Fourier coefficients of E_{infinity,4}.at n=40A007331
• Expansion of e.g.f. cos(tanh(x)*log(1+x)).at n=9A009093
• a(n) = (2*n - 1)*n^2.at n=32A015237
• a(n) = 4^(n-1)*(2^n-1).at n=6A016152
• Triangle whose (i,j)-th entry is binomial(i,j)*2^i.at n=50A038208
• Triangle whose (i,j)-th entry is binomial(i,j)*2^i.at n=49A038208
• Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*6^j.at n=38A038212
• a(n) = A004017(n)/2.at n=19A045825
• a(n)=(1/2)*T(2n+1,n+1), where T is given by A048113.at n=9A048119
• Order of group G_{1,n}^{8}.at n=6A051526
• Matrix inverse of triangle A055134.at n=50A055135
• Number of walks of length n on square lattice, starting at origin, staying on points with x+y >= 0.at n=9A060899
• Maximal number of divisors of any n-digit number.at n=16A066150
• Denominators of Sum_{k=1..n} 1/(k * 2^k).at n=9A068565
• 13-almost primes (generalization of semiprimes).at n=14A069274
• Triangular array T(n,k) read by rows, giving number of labeled free trees such that the root is smaller than all its children, with respect to the number n of vertices and to the size k of the subtree rooted at the vertex labeled by 1.at n=29A071209
• Stirling2 triangle with scaled diagonals (powers of 4).at n=22A075499
• a(n) is the smallest x such that the quotient d(x)/d(x+1) equals n, where d = A000005.at n=32A080372
• Number of permutations in the symmetric group S_n such that the size of their centralizer is odd.at n=9A088994