-579

Appears in sequences

• Numerators of coefficients in function A(x) such that A(A(x)) = x+x^2.at n=10A097088
• Triangle built from partial sums of Catalan numbers multiplied by powers of nonpositive numbers.at n=41A112707
• Partial sums of Catalan numbers A000108 multiplied by powers of -5.at n=3A113264
• Semiprime(n)*semiprime(n+3) - semiprime(n+1)*semiprime(n+2), where semiprime(n) is the n-th semiprime.at n=55A118780
• First differences of A060819(n-4)*A060819(n).at n=26A185688
• Values of n such that L(1) and N(1) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=41A226921
• Difference between 4^n and the nearest triangular number.at n=14A238455
• Numerators of coefficients in asymptotic expansion of C_n (number of connected chord diagrams, A000699).at n=3A280776
• Triangle of coefficients T(n,k) of x^n*y^k in g.f. A(x,y) where A(x,y) = A(x^3 + 3*x*y*A(x,y)^3, y) / A(x^2 + 2*x*y*A(x,y)^2, y), read by rows.at n=49A385910