275436

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=14A091677
• a(n) = 2^floor((2-n)/2)*Sum_{0 <= k <= n and A337966(n, k) > 0} A173018(n, k).at n=11A337999