2147418112
domain: N
Appears in sequences
- Number of 2n-bead balanced binary necklaces of fundamental period 2n which are equivalent to their reversed complement, but are not equivalent to their reverse and complement.at n=32A045687
- a(n) = 2^(n+2)*(2^(n+1)-1).at n=14A059153
- a(n) = Sum_{k=0..n} 2^max(k, n-k).at n=29A107659
- a(n) is the number of induced subgraphs with odd number of edges in the cycle graph C(n).at n=30A156232
- G.f.: (32*x^7/(1-2*x) + 16*x^5 + 24*x^6)/(1-2*x^2).at n=32A204696
- Number of bitstrings of length n (with at least two runs) where the last two runs have different lengths.at n=30A208901
- 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=21A224242
- 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=31A233411
- Decimal representation of the n-th iteration of the "Rule 129" elementary cellular automaton starting with a single ON (black) cell.at n=23A267441
- Decimal representation of the n-th iteration of the "Rule 195" elementary cellular automaton starting with a single ON (black) cell.at n=15A267675
- 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 485", based on the 5-celled von Neumann neighborhood.at n=30A282553
- 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 182", based on the 5-celled von Neumann neighborhood.at n=31A286410
- 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=30A288664
- 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=30A290414
- 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 833", based on the 5-celled von Neumann neighborhood.at n=30A290527
- Dirichlet convolution of A011782 [2^(n-1)] with A055615 (Dirichlet inverse of n).at n=31A349570