76650

Appears in sequences

• At these values of k, the 1st, 2nd, 3rd and 4th cyclotomic polynomials all give prime numbers.at n=10A070025
• Numbers k such that the three second-degree cyclotomic polynomials x^2 + 1, x^2 - x + 1 and x^2 + x + 1 are simultaneously prime when evaluated at x=k.at n=36A087277
• Numbers k such that k^6 + 82991 is prime.at n=17A126893
• a(1)=1, a(n)=a(n-1)+n^3 if n odd, a(n)=a(n-1)+ n^0 if n is even.at n=27A140152
• Triangular array read by rows: T(n,k) is the number of ways to partition an n-set into exactly k blocks and then partially order the blocks, n>=1, 1<=k<=n.at n=24A247231
• Numbers k such that k^3 - 1 and k^3 + 1 are both semiprimes.at n=10A268043
• Number of 3D walks of type bcc.at n=8A302187