118061

Properties

Appears in sequences

• Quintan primes: p = (x^5 - y^5)/(x - y).at n=30A002649
• Primes of the form 25n^2-14n+2 for n >= 0.at n=18A154356
• a(n) = (1/n) times the n-th derivative of the seventh tetration of x (power tower of order 7) x^^7 at x=1.at n=7A295107
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] exp(x+y) / (exp(x) + exp(y) - exp(x+y))^4.at n=40A382674
• a(n) = Sum_{k=0..n} (k!)^2 * binomial(k+3,3) * Stirling2(n+1,k+1)^2.at n=4A382678
• Prime numbersat n=11141