49959
domain: N
Appears in sequences
- Differences between two positive cubes in exactly 2 ways.at n=27A014440
- Difference between two positive cubes in more than one way.at n=29A034179
- a(n) is the smallest number m such that the sum of the digits of n+m is n.at n=39A130692
- Numbers k such that the sum of the Carmichael lambda functions of the divisors is a proper divisor of k.at n=27A131492
- Pairs of deficient numbers having the same value of sigma(k)/k in the order that they are found.at n=31A211680
- The larger companion to the deficient numbers in A212608.at n=15A212609
- a(n) = (a(n-1) + a(n-3))/gcd(a(n-1), a(n-3)) with a(0) =2, a(1) = 3, a(2) = 5.at n=62A214331
- Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes.at n=27A293648
- Numbers with five neighboring primes on the hexagonal spiral board of odd numbers.at n=29A345654