268435453

Appears in sequences

• a(n) = 2^n - 3.at n=28A036563
• a(n) = T(4,n), array T given by A047858.at n=24A047861
• Smallest number having in binary representation a prefix of length n that is also a suffix of its successor.at n=27A091270
• A Horadam-Jacobsthal sequence.at n=27A101622
• a(n) = 4^(n+1) - 3.at n=13A141725
• A007318 * A143098.at n=28A143100
• a(n)= -3a(n-1)-3a(n-2)-2a(n-3), n>3. a(0)=4, a(1)=4, a(2)=-5, a(3)=4.at n=29A158935
• 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=29A254076
• 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=27A277866
• Expansion of x*(1 - 2*x + 3*x^2)/((1 - x)*(1 - 2*x)*(1 - x + x^2)).at n=28A282153
• 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=27A283650
• 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=27A284353
• 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=27A290113
• 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=27A290194
• Positive integers k such that k + p is a power of 2, where p is the least prime greater than k.at n=12A356421
• Indices of records in A389240.at n=32A386819