11703187

Properties

Appears in sequences

• a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digits 1,2,3, at least one of digits 4,5 and at least one of digits 6,7,8,9.at n=8A126635
• Primes p such that, if q is the next prime, p*q+p+q, p*q-p-q, p*q+2*(p+q) and p*q-2*(p+q) are all prime.at n=18A356762
• Prime numbersat n=769848