-1115

Appears in sequences

• A Chebyshev transform of A057083.at n=12A099446
• Values of n such that L(5) and N(5) 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=39A226925
• Values of n such that L(15) and N(15) 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=17A227518
• a(n) is the minimal determinant of an n X n Hankel matrix using the first 2*n - 1 prime numbers.at n=3A369946