266681

Properties

Appears in sequences

• Coefficients for numerical differentiation.at n=6A002701
• Wolstenholme numbers: numerator of Sum_{k=1..n} 1/k^2.at n=6A007406
• Primes that remain prime through 5 iterations of function f(x) = 3x + 10.at n=13A023338
• Numerator of the product of the n-th square pyramidal number and the n-th generalized harmonic number in power 2.at n=6A119785
• Largest prime factor of the n-th central factorial number A001819(n).at n=5A120298
• Primes in A007406.at n=1A123751
• Least prime p such that H(2,n) = sum_{k=1..n}1/k^2 == 0 (mod p) but there is no 0 < k < n with H(2,k) == 0 (mod p), or 1 if such a prime p does not exist.at n=6A242241
• Array T(n,k) read by ascending antidiagonals, where T(n,k) is the numerator of polygamma(n, 1) - polygamma(n, k).at n=43A255008
• Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = numerator of Sum_{j=1..n} 1/j^k.at n=42A322265
• Prime numbersat n=23365