66268

Appears in sequences

• In base 4, smallest number that requires n Reverse and Add! steps to reach a palindrome.at n=39A077441
• a(n) = Sum_{k=0..floor(n/3)} binomial(3*n-8*k-1,k).at n=21A373655
• Expansion of 1/(1 - x * (1 + x^4)^2).at n=31A373706