4192257

Appears in sequences

• a(n) = 4^n - 2^n + 1.at n=11A020515
• Numbers of the form 2^k+1 or 4^k-2^k+1.at n=32A064386
• a(1) = 1. a(n) = the smallest integer >=2 such that (product{k=1 to n} a(k)) in binary is a palindrome.at n=13A143015
• Cyclotomic(n,2048).at n=6A241039
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood.at n=21A286169
• Integers of the form (2^x + 1) / (2^y + 1).at n=29A370425