56173

Appears in sequences

• a(2*n) = floor( 17*2^n/14 ), a(2*n+1) = floor( 12*2^n/7 ).at n=31A003143
• Base-2 digits are, in order, the first n terms of the periodic sequence with initial period [1,1,0].at n=16A033129
• One-dimensional cellular automaton 'sigma' (Rule 150).at n=15A038185
• Number of points in Z^n of norm <= 2.at n=18A055426
• a(n) = a(n-1) + 2^(A007494(n-1)).at n=10A113835
• a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=17A122552
• Numbers having in binary representation exactly two ones in three consecutive digits.at n=28A173593
• Beach-Williams Pell numbers of type k^2 + 4.at n=15A212083
• Concatenation of n-th nonprime and n-th prime.at n=39A253911
• 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 646", based on the 5-celled von Neumann neighborhood.at n=15A283583
• 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 417", based on the 5-celled von Neumann neighborhood.at n=30A288058
• 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 425", based on the 5-celled von Neumann neighborhood.at n=30A288129
• 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 598", based on the 5-celled von Neumann neighborhood.at n=30A289768
• 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 598", based on the 5-celled von Neumann neighborhood.at n=31A289768
• a(n) = [x^n] Product_{k>=1} 1/(1 - x^prime(k))^n.at n=12A301971
• MM-numbers of labeled simple graphs spanning an initial interval of positive integers.at n=13A320458
• MM-numbers of labeled multigraphs spanning an initial interval of positive integers.at n=22A320459
• MM-numbers of simple labeled connected graphs spanning an initial interval of positive integers.at n=9A320635
• (a(n-2) XOR a(n-1)) OR (highest bit of a(n-2))*2 OR 1; a(0)=2, a(1)=3.at n=29A334041
• Numbers that generate rotationally symmetrical XOR-triangles featuring singleton zero bits in a hexagonal arrangement.at n=10A334930