30941

Properties

Appears in sequences

• Quintan primes: p = (x^5 - y^5)/(x - y).at n=16A002649
• Primes of form (p^x - 1)/(p^y - 1), p prime.at n=23A003424
• Cyclotomic polynomials at x=13.at n=5A019331
• Cyclotomic polynomials at x=-13.at n=10A020512
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 13.at n=16A022177
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 13.at n=19A022177
• Prime numbers that are the sum of the divisors of some n.at n=18A023195
• Primes that remain prime through 3 iterations of function f(x) = 3x + 8.at n=25A023279
• Primes that remain prime through 4 iterations of function f(x) = 3x + 8.at n=3A023309
• Primes that are palindromic in base 13.at n=31A029980
• Numbers k such that k^2 is palindromic in base 13.at n=29A029998
• Numbers whose set of base-13 digits is {1,4}.at n=30A032825
• Numbers whose set of base-13 digits is {1,3}.at n=30A032920
• Numbers whose set of base-13 digits is {1,2}.at n=30A032933
• Sums of distinct powers of 13.at n=31A033049
• Number of sublattices of index n in generic 5-dimensional lattice.at n=12A038992
• a(n) in base 13 is a repdigit.at n=49A048337
• a(n) = n^4 + n^3 + n^2 + n + 1.at n=13A053699
• Prime number spiral (clockwise, East spoke).at n=29A054555
• Terms of A000203 that are prime.at n=18A062700