28451

Appears in sequences

• Matrix cube-root of triangle A107717.at n=22A107719
• Column 1 of triangle A107719.at n=5A107721
• Sequence such that the Hankel transform of a(n+1) satisfies a generalized Somos-4 recurrence.at n=9A160702
• Numbers n such that the digits of sigma(n) are exactly the same (albeit in different order) as the digits of phi(n), in base 10.at n=32A175795