45191

Properties

Appears in sequences

• Numbers k such that 2*prime(k)+1, 2*prime(k+1)+1 and 2*prime(k+2)-1 are also consecutive primes.at n=9A103851
• Take an n X n square grid of points in the plane; a(n) = number of non-isomorphic ways to divide the points into two sets using a straight line.at n=32A116696
• Primes of the form 41+(n+n^2)/2=41+A000217(n).at n=34A139219
• Numbers m which satisfy the equation: (m - floor((m - k)/k)) mod k = 1 (1 <= k <= m) only for k = 2 and m - 1.at n=45A378275
• Prime numbersat n=4691