57356

Appears in sequences

• Position of rightmost 0 in 2^n increases.at n=15A031140
• Position of rightmost 0 (including leading 0) in 2^n increases.at n=26A031142
• Numbers n such that sigma(n) - sigma(reverse(n)) = phi(n).at n=5A071847
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, -1), (1, -1, 0), (1, 1, 1)}.at n=10A149122
• Difference between integers nearest to (2^((n-3)/2) + 3^((n-3)/2)) (A229194) and Fibonacci numbers (A000045).at n=24A229198
• Number of primes <= n-th Lucas number.at n=28A277062
• G.f. A(x) satisfies: A(x)^4 = x * A( A(x)^3 + A(x)^4 ).at n=12A380059