71411

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(945).at n=7A042828
• Lesser of twin balanced primes (A090403).at n=30A096694
• a(1)=2, a(n)=2*a(n-1)-floor(sqrt(a(n-1))).at n=17A125028
• Primes where the first digit equals the sum of all the other digits.at n=43A156307
• Primes of the form 13*n^2+3*n+1.at n=35A176783
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.at n=6A197346
• Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.at n=3A197349
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.at n=48A197350
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.at n=51A197350
• Primes of the form 7n^2 + 4.at n=25A201605
• a(n) is the smallest prime p such that there is a multiplicative subgroup H of Z/pZ, of odd order and of index 2n, such that for any two cosets H1 and H2 of H, H1 + H2 contains all of (Z/pZ)\0, except that H+H contains all of (Z/pZ)\0 except -H. If no such prime exists, a(n) = 0.at n=36A294615
• Prime numbersat n=7072