26687

Properties

Appears in sequences

• a(n) = T(n,2n-5), T given by A027023.at n=9A027029
• Primes p from A031924 such that A052180(primepi(p)) = 13.at n=34A052233
• a(n) is the smallest number k such that A073813(k) = prime(n).at n=39A073814
• Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 6,2]; short d-string notation of pattern = [662].at n=20A078857
• a(n) is such that the a(n)-th composite number is (n-th prime)^2.at n=39A120389
• Primes p such that p plus the cube of sum of digits of p is a perfect square.at n=14A259418
• Total number of n-digit positive integers with multiplicative digital root value 8.at n=5A263481
• Primes p such that A276173(p) = p.at n=38A276174
• 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=2A330364
• Primes having only {2, 6, 7, 8} as digits.at n=38A386165
• Number of integer partitions of n such that the least and greatest parts are both even or both odd.at n=41A391225
• Prime numbersat n=2926