348160

Appears in sequences

• Expansion of (x-1)*(x^2-4*x-1)/(1-2*x)^2.at n=14A003232
• 2^(n-1)*(n^2+2n+2).at n=12A084850
• Expansion of (1+x)/(1+2x-2x^3).at n=36A124342
• a(n)=4^C(n,2)*(4^n-1)/3.at n=4A127847
• Wiener index of the grid P_n x P_n, where P_n is the path graph on n vertices.at n=15A143945
• Terms of A181666 of the form 3*k+1.at n=34A172126
• Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial Product_{i=1..n} (x + q^i) in row n, column 0<=k<=n, and q = 4.at n=11A173008
• Jordan function ratio J_8(n)/J_2(n).at n=7A194533
• Successive states of one-sided one-dimensional cellular automaton using Rule 90, starting with a single ON cell, converted to decimal.at n=18A245191
• Values of A007692(n) that are not of the form x^2 + y^2 + z^2 where x, y, z are nonzero integers.at n=12A273123
• 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 35", based on the 5-celled von Neumann neighborhood.at n=18A278346
• 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=23A285437
• 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 126", based on the 5-celled von Neumann neighborhood.at n=37A285943
• 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 158", based on the 5-celled von Neumann neighborhood.at n=19A286123
• Consider the Post tag system defined in A284116; a(n) = number of binary words of length n which terminate in a cycle.at n=18A289671
• Heinz numbers of integer partitions, with at least three parts, whose product of parts is one fewer than their sum.at n=22A325043
• a(n) = n^4*sigma_2(n).at n=8A386783