50442

Appears in sequences

• Theta series of A_6 lattice.at n=35A008446
• Least number k having n representations as the sum of the minimal number of biquadrates A002377(k).at n=35A185673
• Coefficient of x in the reduction by x^2->x+2 of the polynomial p(n,x) defined below in Comments.at n=9A192377
• Least positive integer k such that prime(k)-k, prime(k)+k, prime(k*n)-k*n, prime(k*n)+k*n, prime(k)+k*n and prime(k*n)+k are all prime.at n=44A259492
• Number of length-n 0..3 arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=7A269614
• T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=52A269619
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by other than plus two, zero or minus 1.at n=13A269620