262141

Appears in sequences

• a(n) = 2^n - 3.at n=18A036563
• New record highs reached in A060030.at n=33A060482
• Smallest number having in binary representation a prefix of length n that is also a suffix of its successor.at n=17A091270
• A Horadam-Jacobsthal sequence.at n=17A101622
• a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3).at n=32A136252
• a(n) = 4^(n+1) - 3.at n=8A141725
• The number of pairs of independent outcomes when rolling an n-sided die. Or in other words, the number of pairs of proper subsets A,B of a set S, such that #A/#S * #B/#S = #(A \intersect B)/#S.at n=16A158345
• Positions of zeros in A165477.at n=3A165478
• a(n) = Least i in range [A165478(n),A165478(n+1)] for which abs(A165477(i)) gets the maximum value in that range.at n=3A165479
• Smallest number m such that exactly n editing steps (insert or substitute) are necessary to transform the binary representation of m into the least prime not less than m.at n=16A171402
• Expansion of (1+2x)*(1+2*x^2)/((1-x)*(1+x)*(1-2*x^2)).at n=32A185647
• Monotonic ordering of nonnegative differences 8^i-3^j, for 40>= i>=0, j>=0.at n=41A192156
• Irregular array read by rows in which row n lists the positive integers k in ascending order for which 1 is in a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function.at n=32A226618
• 4^(n+1)^2 - 3.at n=2A237419
• 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=19A254076
• 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=17A277866
• 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=17A283650
• 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=17A284182
• 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=17A284353
• 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 355", based on the 5-celled von Neumann neighborhood.at n=17A287780