166212

Appears in sequences

• Number of primes of the form 5k+2 less than 10^n.at n=6A091117
• Expansion of (1 - 2*x + 5*x^2) / (1 - 3*x)^2.at n=9A167682
• Molecular topological indices of the crossed prism graphs.at n=18A192793
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 3*x + 6.at n=16A257626
• Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 3*x + 6.at n=19A257626
• Decimal representation of binary numbers with string structure 10s00, s in {0,1}*, such that it results in a non-palindromic cycle of length 4 in the Reverse and Add! procedure in base 2.at n=45A306514
• a(n) is the decimal representation of the binary number with string structure 10s00, s in {0,1}*, such that it results in a non-palindromic cycle of length 4 in the Reverse and Add! procedure in base 2 and is not in the trajectory of any m < a(n).at n=11A306516