1073741820

Appears in sequences

• a(n) = 2^n - 4.at n=28A028399
• Number of primitive (aperiodic) palindromes using a maximum of four different symbols.at n=28A056460
• a(n) = 4^n - 4.at n=15A058896
• a(n) is the closest number to 2^n which is divisible by n.at n=29A082894
• a(n) = 2 * A285917(n) for n >=2, a(0) = a(1) = 0.at n=29A120672
• a(n) = largest multiple of n which is <= 2^n.at n=29A128092
• a(n) = the largest positive multiple of n with exactly n digits when written in binary.at n=29A162214
• 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=29A171402
• Second diagonal under the main diagonal in A172119 written in a square (see comment).at n=28A173033
• a(n) = sigma(n*2^n).at n=23A176311
• 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 1", based on the 5-celled von Neumann neighborhood.at n=29A277799
• 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 221", based on the 5-celled von Neumann neighborhood.at n=29A279961
• 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 641", based on the 5-celled von Neumann neighborhood.at n=29A283506
• 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 65", based on the 5-celled von Neumann neighborhood.at n=29A285645
• 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 245", based on the 5-celled von Neumann neighborhood.at n=29A287131
• 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 259", based on the 5-celled von Neumann neighborhood.at n=29A287197
• 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 363", based on the 5-celled von Neumann neighborhood.at n=29A287850
• 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 501", based on the 5-celled von Neumann neighborhood.at n=29A288762
• 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 641", based on the 5-celled von Neumann neighborhood.at n=29A290073
• Number of aperiodic binary arrays of size n.at n=29A323864