22621

Properties

Appears in sequences

• Quintan primes: p = (x^5 - y^5)/(x - y).at n=13A002649
• q-Fibonacci numbers for q=12, scaling a(n-2).at n=5A015470
• Expansion of 1/((1-x)*(1-12*x)).at n=4A016125
• Cyclotomic polynomials at x=12.at n=5A019330
• Numbers k such that the continued fraction for sqrt(k) has period 59.at n=35A020398
• Cyclotomic polynomials at x=-12.at n=10A020511
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 12.at n=16A022176
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 12.at n=19A022176
• Primes p such that p+1 is palindromic.at n=33A028981
• Numbers whose square is palindromic in base 12.at n=28A029737
• Primes that are palindromic in base 12.at n=29A029979
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 27.at n=4A031615
• Numbers whose set of base-12 digits is {1,4}.at n=30A032824
• Numbers whose set of base-12 digits is {1,3}.at n=30A032919
• Numbers whose set of base-12 digits is {1,2}.at n=30A032932
• Sums of distinct powers of 12.at n=31A033048
• a(n) in base 12 is a repdigit.at n=45A048336
• a(n) = n^4 + n^3 + n^2 + n + 1.at n=12A053699
• Primes of the form k^4 + k^3 + k^2 + k + 1.at n=3A088548
• a(n) is the prime the precedes the first occurrence of a prime gap of 2n where the product of the smallest prime factor of each composite number in the gap is minimal.at n=7A096318