7158278826

Appears in sequences

• a(n) = (5*4^n - 2)/3.at n=16A020989
• Number of 132 and 213-avoiding derangements of {1,2,...,n}.at n=34A061547
• Inverse binomial transform of a math magic problem.at n=33A084214
• a(n) is the smallest number such that the exponent of p=2 factor in 6*a(n)+4 equals n.at n=32A087231
• a(1)=2, a(2)=4, a(3)=6; a(n+3) = a(n+2)+ 2*a(n), n>=1.at n=32A151794
• a(n) = 2^(n-1) - (2^n*(-1)^n + 2)/3.at n=32A176965
• Decimal representation of the n-th iteration of the "Rule 167" elementary cellular automaton starting with a single ON (black) cell.at n=16A267578
• 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 14", based on the 5-celled von Neumann neighborhood.at n=32A277954
• 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 430", based on the 5-celled von Neumann neighborhood.at n=32A282123