44512

Appears in sequences

• Number of prime powers (p^2, p^3, ...) <= 2^n.at n=37A036386
• Trajectory of 3 under map n->37n+1 if n odd, n->n/2 if n even.at n=11A037116
• Number of (n+1)X3 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=3A187420
• Number of (n+1)X5 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=1A187422
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=11A187425
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants.at n=13A187425
• Phi(n) values in A115921.at n=39A216381
• Positive integers n such that prime(n+i) is a primitive root modulo prime(n+j) for any distinct i and j among 0, 1, 2, 3.at n=6A243839