47468

Appears in sequences

• Numbers k such that phi(sigma(k)+k) = sigma(k-phi(k)), where phi is A000010 and sigma is A000203.at n=41A063710
• n*10^3-1, n*10^3-3, n*10^3-7 and n*10^3-9 are all prime.at n=27A064977
• Quotients associated with A097982.at n=25A098024
• Denominators of semiconvergents to log_2(3), which equals log(3)/log(2).at n=43A206788
• Number of permutations p of [n] such that |p(i) - p(i-1)| <= 2 and |p(i) - p(i-2)| <= 3.at n=30A333833