523264

Appears in sequences

• Number of h-cobordism classes of smooth homotopy n-spheres.at n=18A001676
• Number of primitive (aperiodic) palindromes using a maximum of two different symbols.at n=37A056458
• Number of primitive (aperiodic) palindromes using exactly two different symbols.at n=37A056463
• a(n) = 2^(n+2)*(2^(n+1)-1).at n=8A059153
• Number of subsets of {1, 2, ..., n} that do not contain a subset of the form {x, 2x, 3x}.at n=20A068060
• a(n) = Sum_{k=0..n} 2^max(k, n-k).at n=17A107659
• a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3), n > 3; a(0) = 1, a(1) = 4, a(2) = 12, a(3) = 32.at n=17A133212
• a(n) is the number of induced subgraphs with odd number of edges in the cycle graph C(n).at n=18A156232
• G.f.: (32*x^7/(1-2*x) + 16*x^5 + 24*x^6)/(1-2*x^2).at n=20A204696
• Number of bitstrings of length n (with at least two runs) where the last two runs have different lengths.at n=18A208901
• Numbers k such that k^2 XOR (k+1)^2 is a square, and k^2 XOR (k-1)^2 is a square, where XOR is the bitwise logical XOR operator.at n=13A224242
• a(n) = A001676(4*n + 3).at n=4A228689
• The number of length n binary words with some prefix which contains two more 1's than 0's or two more 0's than 1's.at n=19A233411
• 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 193", based on the 5-celled von Neumann neighborhood.at n=21A279723
• 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 449", based on the 5-celled von Neumann neighborhood.at n=21A282268
• 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 451", based on the 5-celled von Neumann neighborhood.at n=21A282299
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 54", based on the 5-celled von Neumann neighborhood.at n=19A285611
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 315", based on the 5-celled von Neumann neighborhood.at n=20A287625
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.at n=18A288664
• 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 785", based on the 5-celled von Neumann neighborhood.at n=18A290414