628479869

Properties

Appears in sequences

• a(1)=1, then a(n)=2*a(n-1) if n is prime, a(n)=2*a(n-1)+1 if n not prime.at n=29A118255
• Numbers whose binary representation shows the distribution of prime numbers up to the n-th prime minus 1, using "0" for primes and "1" for nonprime numbers.at n=10A139102
• Bisection of A139102.at n=5A139107
• Primes whose binary representation shows the distribution of prime numbers using "0" for primes and "1" for nonprime numbers.at n=6A139119
• Primes whose binary representation shows the distribution of prime numbers up to some prime minus 1, using "0" for primes and "1" for nonprime numbers.at n=4A139122
• Prime numbersat n=32732228