101945

Appears in sequences

• Smallest positive integer solution x of 9*x - 2^n*y = 1.at n=17A234038
• a(0)=0, a(1)=1, a(n) = min{4 a(k) + (4^(n-k)-1)/3, k=0..(n-1)} for n>=2.at n=32A259665
• a(0) = 0, a(n+1) = 2*a(n) + (-1)^floor(n/3).at n=17A275788
• Numbers k such that 1 + 2^k*k^3 is prime.at n=13A357612