49781

Appears in sequences

• a(n) = n^n + (n-1)^(n-1).at n=5A056788
• Numbers n such that sigma (phi ( n ) ) = sigma (sigma (n ) ) where phi is Euler's totient and sigma is the multiplicative sum-of-divisors function.at n=23A065556
• Numbers of the form a^a + b^b, a >= b > 0.at n=19A066846
• Discriminant of the polynomial x^n - x - 1.at n=5A086797
• Duplicate of A056788.at n=5A097396
• Numbers of the form a^a + b^b, with a > b > 0.at n=14A218346
• Numbers of the form a^a + b^b, a>=b>=0.at n=26A218347
• Triangle of the discriminant of the polynomials x^n - x^m - 1, where 0 < m < n.at n=10A238195
• Triangle of the discriminant of the polynomials x^n - x^m - 1, where 0 < m < n.at n=14A238195
• Triangle of the discriminant of the polynomials x^n + x^m - 1, where 0 < m < n.at n=10A238196
• Triangle of the discriminant of the polynomials x^n + x^m - 1, where 0 < m < n.at n=14A238196
• Sorted absolute value of discriminant of the polynomials x^n +- x^m +- 1, where 0 < m < n.at n=15A238199
• Numbers that can be written as s^x + t^y, with 1 < s < t and {s,t} = {x,y}; that is, are of the form s^s + t^t or s^t + t^s.at n=32A385232
• Numbers of the form x^x + y^y, 1 < x < y.at n=9A385614