73784

Appears in sequences

• a(n) = smallest non-palindromic k such that the base-4 Reverse and Add! trajectory of k is palindrome-free and joins the trajectory of A091675(n).at n=16A091677
• Poincaré series [or Poincare series] P(T_{4,2}; x).at n=13A124616
• Numbers k that divide the k-th Domb number.at n=39A372941