44971

Properties

Appears in sequences

• Primes of the form k^2 + prime(k) + 1.at n=17A063461
• Prime numbers p of the form 10k+1 for which the pentanacci quintic polynomial x^5-x^4-x^3-x^2-x-1 modulus p is factorizable into five binomials.at n=8A135843
• Primes p of the form m^2 + 27.at n=30A227622
• Number of (n+1) X (3+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=1A232409
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=7A232414
• Number of (2+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=2A232416
• Number of Dyck paths of semilength n such that no positive level has fewer than seven peaks.at n=19A288683
• Prime numbersat n=4673