26633

Properties

Appears in sequences

• Numbers k such that (3^k + 1)/4 is prime.at n=19A007658
• Primes that remain prime through 3 iterations of function f(x) = 3x + 4.at n=16A023278
• Row sums of triangle A054446 (partial row sums triangle of Fibonacci convolution triangle).at n=10A054447
• Triangle of partial row sums of triangle A054446(n,m), n >= m >= 0.at n=55A054448
• Primes in which no digit is coprime to its neighbors.at n=37A088297
• Primes from merging of 5 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2.at n=8A103809
• Primes p that remain prime through at least 2 iterations of the function f(p) = p^2 + 4.at n=39A116886
• Primes p such that 3*p+2, 5*p+4 and 7*p+6 are also prime.at n=28A173876
• Primes p=u^2+v^2 such that p+u or p+v is the next prime after p.at n=26A213996
• Number of (n+1)X(2+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=2A251445
• Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=1A251446
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=7A251451
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements.at n=8A251451
• Primes equal to the sum of both two and three successive semiprimes.at n=22A255897
• Number of (2+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=34A258555
• Primes having only {2, 3, 6} as digits.at n=18A260126
• a(0) = 2; for n>0, a(n) = smallest prime p such that p > a(n-1) and p is congruent to n modulo prime(n).at n=47A261192
• Primes p such that prime(p)^2 - 2 = prime(q) for some prime q.at n=26A261354
• Numbers k such that (25*10^k + 59)/3 is prime.at n=26A273726
• Numbers k such that (3^k + 1)/(3 - (-1)^k) is a prime.at n=24A275575