1431633920

Appears in sequences

• Number of Barlow packings with group R3(bar)m(O) that repeat after 6n layers.at n=30A011955
• Moebius transform of Jacobsthal numbers.at n=32A104723
• Coefficient of x in the reduction by x^2 -> x+2 of the polynomial p(n,x) defined below in Comments.at n=16A192382
• 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 43", based on the 5-celled von Neumann neighborhood.at n=30A278446
• 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 107", based on the 5-celled von Neumann neighborhood.at n=32A278901
• 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 123", based on the 5-celled von Neumann neighborhood.at n=32A279025
• 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 22", based on the 5-celled von Neumann neighborhood.at n=31A285437
• 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 342", based on the 5-celled von Neumann neighborhood.at n=31A287745
• Number of chiral pairs of color patterns (set partitions) for a row of length n using 4 or fewer colors (subsets).at n=17A320934