35840

Appears in sequences

• Boustrophedon transform of triangular numbers.at n=8A000746
• Denominators of coefficients in Taylor series expansion of log(1+x)^2/sqrt(1+x).at n=7A002552
• Dimensions of representations by Witt vectors.at n=8A006973
• tan(tan(x)-tanh(x))=4/3!*x^3+544/7!*x^7+35840/9!*x^9+707584/11!*x^11...at n=4A013453
• arctan(arctan(x)-arctanh(x))=-4/3!*x^3-1440/7!*x^7+35840/9!*x^9...at n=4A013464
• Theta series of lattice Kappa_7.at n=35A015236
• Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*4^j.at n=31A038210
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*2^j.at n=32A038232
• Configurations of linear chains in a 5-dimensional hypercubic lattice.at n=5A038728
• T(n,4), array T as in A050186; a count of aperiodic binary words.at n=28A050189
• a(n) = (3*n-1) * 2^(n-2).at n=11A053220
• Number of subsets of {1, 2, ..., n} that do not contain a subset of the form {x, 2x, 3x}.at n=16A068060
• 12-almost primes (generalization of semiprimes).at n=18A069273
• Numbers k such that Omega(k) = Omega(k-1) + Omega(k-2) + Omega(k-3) + Omega(k-4) where Omega(k) denotes the number of prime factors of k, counting multiplicity.at n=31A078095
• Denominator of 4*(Integral_{x=0..1} (1-x^2)^((2n-1)/2) dx)/Pi.at n=6A086891
• Triangle, read by rows, that equals the matrix inverse of A071207 when treated as a lower triangular matrix.at n=40A089962
• Riordan array (1,2+4x).at n=62A099092
• Coefficient list of ChebyshevU(n, 1-x).at n=51A100551
• Triangle read by rows: T(n,k) (0 <= k <= n) is the number of three-dimensional lattice walks consisting of n unit steps, each in one of the six coordinate directions, starting at the origin, never going below the horizontal plane and having k vertical steps.at n=41A104855
• Record values in A003415 (arithmetic derivative).at n=31A131116