17959

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 10.at n=13A023327
• Primes that remain prime through 5 iterations of function f(x) = 9x + 10.at n=3A023355
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 72 ones.at n=30A031840
• Primes of the form k^2 + 3.at n=22A049423
• Values of A (the short leg) of a Pythagorean triangle with A and C (the hypotenuse) both prime and part of a twin prime.at n=32A051642
• Number of partitions of n in which number of parts is not 2.at n=36A058984
• Partial sums of A068058 + 1.at n=43A068059
• Prime partial sums of the odd-indexed primes.at n=9A096208
• Numbers n such that 9*10^n + 6*R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=20A103104
• Sum of the primes in ordered 3 X 3 prime squares.at n=33A105089
• Primes with digit sum = 31.at n=22A106767
• Duplicate of A049423.at n=22A121825
• Prime sums of 6 positive 5th powers.at n=32A123035
• Primes congruent to 45 mod 53.at n=38A142575
• Primes congruent to 23 mod 59.at n=37A142750
• Primes congruent to 25 mod 61.at n=38A142823
• Starting at a(1)=2, a(n) is the smallest prime larger than a(n-1) such that the sum of odd digits of a(n) is not smaller than the sum of odd digits of a(n-1).at n=34A158085
• Primes of the form m*(m+1)/2 + 4.at n=30A159048
• The smaller member prime(i) of an emirp pair (prime(i),prime(j)), such that the digit sum of i equals the digit sum of j.at n=17A178613
• a(n) = 24*A138879(n) - A187219(n).at n=14A183012