475136

Appears in sequences

• Theta series of 12-dimensional unimodular lattice {D_12}^{+}.at n=9A004533
• Expansion of g.f. (1+2*x)/(1-2*x)^2.at n=14A014480
• Duplicate of A004533.at n=9A014745
• Inverse binomial transform of n*Pell(n).at n=29A093968
• a(n) = 4^n*Lucas(n), where Lucas = A000032.at n=7A127211
• a(n) = n*2^(floor(n/2)).at n=29A132344
• a(0)=7, a(n) = 2*a(n-1) + 2^(n-1) for n > 0.at n=15A159695
• (n-1)-st elementary symmetric function of the first n terms of (2,2,1,2,2,1,2,2,1,...)=(A130196 for n>0).at n=21A203167
• Number of set partitions C_t(n) of {1,2,...,t} into at most n parts, with an even number of elements in each part distinguished by marks; triangle C_t(n), t>=0, 0<=n<=t, read by rows.at n=49A261275
• Decimal representation of the n-th iteration of the "Rule 25" elementary cellular automaton starting with a single ON (black) cell.at n=28A266443
• 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 105", based on the 5-celled von Neumann neighborhood.at n=18A278863
• Number of minimum connected dominating sets in the n-flower graph.at n=28A382500