43607

Properties

Appears in sequences

• Lesser of twin primes p1 such that p1*p2+-6 are prime numbers.at n=17A174955
• Lesser of twin primes p such that 6*p+1 is greater of twin primes.at n=18A176131
• Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,4,3,0,1 for x=0,1,2,3,4.at n=9A196781
• Smallest of five consecutive primes whose sum is a square.at n=12A206281
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-4.at n=4A211926
• T(n,k)=Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-k-1.at n=25A211930
• Numbers n such that n!3 + 3^6 is prime.at n=31A247467
• Primes equal to a centered triangular number plus 1.at n=26A285809
• a(n) is the least prime p such that A234575(p, A007953(p)) is the n-th power of a prime.at n=6A357190
• Twin primes p such that 6p+1, 6p-1 is a twin prime pair.at n=38A386724
• Prime numbersat n=4543