188299

Properties

Appears in sequences

• a(n) = [ (3rd elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {first n+2 primes}.at n=23A024453
• Primes p with an even number of digits such that each digit in the second half of p is larger by 1 than the corresponding digit in the first half.at n=23A241212
• Integers m such that for every integer k>0, m*6^k+1 has a divisor in the set { 7, 13, 31, 37, 97 }.at n=1A244549
• Prime numbersat n=17021