2359295

Appears in sequences

• Expansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=20A052996
• a(n) = n*4^n - 1, with a(0) = 1.at n=9A060416
• Least m which can be written as i*j+i+j in n different ways: A072670(m)=n.at n=28A072671
• a(1) = 2, a(n+1) = smallest squarefree number == 1 (mod a(n)) and > a(n).at n=21A076698
• a(n) = (n+1) * 2^n - 1.at n=17A087323
• a(n) = 9*4^n - 1.at n=9A114569
• a(n) = 9*8^n - 1.at n=6A198856
• Record values in A135141.at n=39A246347
• Decimal representation of the n-th iteration of the "Rule 125" elementary cellular automaton starting with a single ON (black) cell.at n=11A267360
• 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 449", based on the 5-celled von Neumann neighborhood.at n=29A288360