54960

Appears in sequences

• Smallest number k such that R(n) is the n-th divisor of k, where R(n) is the n-th Ramanujan prime (A104272).at n=18A233933
• a(n) = prime(n+1)^4 - prime(n)^4.at n=5A276963
• Numbers k such that (2*10^k - 179)/3 is prime.at n=19A295394
• Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^j * binomial(k,j) * (3-j)^n.at n=59A391210
• Triangle read by rows: T(n,k) = Sum_{j=0..2k} (-1)^j * binomial(2k,j) * (1+k-j)^(2n).at n=17A392337