1216512

Appears in sequences

• Numbers k whose digits can be divided into two contiguous parts, k = concatenate(x, y), such that k = |x^2 - y^2|.at n=23A113797
• Denominator of expansion of RiemannSiegelTheta(t) about infinity.at n=4A114721
• Triangular sequence from a Pidduck polynomials expansion: p(t) = (t/(1 - t))*((1 + t)/(1 - t))^x.at n=37A137394
• Numbers k which are concatenations k = x//y such that x^2 - y^2 is a multiple of k.at n=17A162701
• Positive numbers n with concatenations n=x//y such that n=x^2-y^2.at n=10A258482
• A linear divisibility sequence of order 8.at n=11A327542
• Triangle T(n,k) of coefficients of polynomials arising from Gaussian-weighted Chebyshev integrals.at n=31A391950