69273665

Appears in sequences

• (2^p-(p+2))/p as p runs through the primes.at n=10A164740
• a(n+5) = a(n+4)+a(n+3)+a(n+2)+a(n+1)+2*a(n) with a(0)=0, a(1)=a(2)=a(3)=a(4)=1.at n=29A226310
• Number of relatively prime Lyndon compositions (aperiodic necklaces of positive integers) with sum n.at n=30A318731