38359

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=15A118255
• 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=6A139102
• Bisection of A139102.at n=3A139107
• E.g.f.: exp(x) * (BesselI(0,6*x) + BesselI(1,6*x)).at n=6A349540