64206

Appears in sequences

• n written in fractional base 8/6.at n=38A024648
• a(n) = Sum_{i=1..floor((n+1)/4)} a(2*i-1) * a(n-2*i+1), with a(1)=3, a(2)=1, and a(3)=2.at n=11A024743
• Expansion of 1/(1-3*x-x^4).at n=10A052917
• Numbers k such that sigma(sigma(k)) == phi(k) (mod sigma(k)).at n=20A067204
• Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in numerical order.at n=37A132676
• Numbers k such that sigma(k) = 2*sigma(k+1).at n=18A163193
• Numbers n such that n * x/(x-1) produces a rotation of the digits in n for some value of x.at n=37A288669