67108861

Appears in sequences

• a(n) = 2^n - 3.at n=26A036563
• Smallest number having in binary representation a prefix of length n that is also a suffix of its successor.at n=25A091270
• A Horadam-Jacobsthal sequence.at n=25A101622
• a(n) = 3*a(n-1) - 3*a(n-2) + 2*a(n-3), with a(0) = 4, a(1) = 2, a(2) = 1.at n=26A133455
• a(n) = 4^(n+1) - 3.at n=12A141725
• Inverse binomial transform of A070366.at n=27A146321
• Inverse binomial transform of A153130.at n=27A158916
• a(n) is the smallest prime p>2 such that there are 2*n or 2*n+1 positive integers m for which the exponents of 2 and p in the prime power factorization of m! are both powers of 2.at n=23A177378
• a(n) = 2*a(n-1) + a(n-2) - 2*a(n-3) for n>2, a(0)=-1, a(1)=-2, a(2)=-4.at n=27A254076
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.at n=25A277866
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 705", based on the 5-celled von Neumann neighborhood.at n=25A283650
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood.at n=25A284182
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 899", based on the 5-celled von Neumann neighborhood.at n=25A284353
• 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 643", based on the 5-celled von Neumann neighborhood.at n=25A290113
• 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 705", based on the 5-celled von Neumann neighborhood.at n=25A290194