25633

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 5x + 8.at n=33A023286
• Primes p from A031924 such that A052180(primepi(p)) = 31.at n=8A052237
• Balanced primes of order nine.at n=15A096701
• Primes p such that q = 4p^2 + 1 and r = 4q^2 + 1 are also prime.at n=34A122424
• Primes of the form 20*k^2 + 32*k + 13.at n=17A154414
• Primes p such that 2*p^4-+21 are also prime.at n=36A174367
• Number of (n+1)X5 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=4A186477
• Number of (n+1)X6 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=3A186478
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=31A186482
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=32A186482
• Primes of the form n^2+number of divisors of n^2.at n=24A188665
• T(n,m)=Number of (n+1)X6 0..m arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=18A188837
• T(n,m)=Number of (n+1)X5 0..m arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors.at n=25A189174
• Constant term in the reduction by (x^2 -> x+1) of the polynomial p(n,x) given in Comments.at n=12A192872
• Primes p with property that there exists a number d>0 such that numbers p-k*d, k=1...7, are seven primes.at n=36A216590
• Primes or negative values of primes of the form 59*n^2 - 1873*n + 8941 for n>=0.at n=39A217604
• Least prime in a string of exactly n consecutive primes all differing by semiprimes.at n=9A220697
• Primes without "9" as a digit that remain prime when any single digit is replaced with "9".at n=10A224322
• 5th-largest term in the n-th row of Stern's diatomic triangle A002487.at n=18A244475
• P(n,k) is an array read by rows, with n > 0 and k=1..5, where row n gives the chain of 5 consecutive primes {p(i), p(i+1), p(i+2), p(i+3), p(i+4)} having the symmetrical property p(i) + p(i+4) = p(i+1) + p(i+3) = 2*p(i+2) for some index i.at n=8A267028