32381

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 83.at n=29A020422
• a(n) = T(2n,n-3), T given by A026725.at n=6A026842
• a(n) = T(2n+1,n+4), T given by A026725.at n=6A026846
• a(n) = T(2n,n-3), T given by A026736.at n=6A026849
• Diagonal sum of left justified array T given by A027082.at n=28A027100
• Primes of the form k^2 + prime(k) + 1.at n=13A063461
• Numbers n such that 6*10^n + 4*R_n + 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=20A103036
• Unique terms in sequence A210144.at n=40A214196
• Hyperartiads.at n=34A270798
• Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10.at n=19A287303
• Inverse of A304085.at n=36A304086
• Primes p such that p=prime(k), prime(k+1), and prime(k+2) end in the same digit.at n=33A328452
• Values of abs(P(x)), with P(x) = (1/72)*x^6 + (1/24)*x^5 - (1583/72)*x^4 - (3161/24)*x^3 + (200807/36)*x^2 + (97973/3)*x - 11351, for -45 <= x <= 12, sorted by size. All values in the given range are prime.at n=5A330364
• a(n) = greatest prime less than prime(n)*prime(n+1).at n=40A391805
• Prime numbersat n=3476