4834830

Appears in sequences

• a(n) = (n+1)*binomial(n+6,6).at n=20A027818
• Totient superdeficient numbers: numbers n > 1 such that s(n)/n < s(m)/m for all m < n, where s(n) is the sum of iterated phi(n) (A092693).at n=20A291173
• Numbers k such that phi(phi(k))/k < phi(phi(m))/m for all m < k, where phi is Euler's totient function (A000010).at n=28A293714