42458

Appears in sequences

• Solve 2^n - 2 = 7(x^2 - x) + (y^2 - y) for (x,y) with x>0, y>0; sequence gives value of x.at n=35A076632
• Expansion of (1-x)^(-1)/(1-x+2*x^2).at n=33A077876
• Numbers n such that sigma(2*phi(n)) = 2*sigma(n).at n=21A137733
• Upper Beatty array of sqrt(2).at n=46A182638
• Number of compositions of n whose differences of all degrees > 1 are nonzero.at n=19A325875