25943

Properties

Appears in sequences

• Primes of the form 3*m^2 - 4.at n=22A201716
• The number of permutations of length n sortable by 3 reversals.at n=9A228397
• Ninth prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.at n=18A238681
• Number of partitions of n^2 into exactly 4 prime numbers.at n=33A243940
• Number of (n+2) X (3+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.at n=20A257442
• Primes p such that q=p^2+p+1 is prime and (q^2+q+1)/3 is prime.at n=32A322748
• Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers.at n=14A343683
• Prime numbersat n=2855