78765

Appears in sequences

• Number of n-step mappings with 4 inputs.at n=30A005945
• Nontrivial odd solutions n to P(n) == 1 + r*Sum_{i=1..d(n)} x^i (mod m) where P(n) is the n-th Stern polynomial, d(n) is the degree of P(n), r=1, m=3.at n=4A327849
• Odd numbers that can be written as phi(k) + d(k) for more than one k, where phi(k) = A000010(k) is Euler's totient function and d(k) = A000005(k) is the number of divisors of k.at n=3A357918