47712

Appears in sequences

• Expansion of log(1 + sinh(x)/exp(x)).at n=7A009362
• a(n)/100000 gives log_10(n) to 5 places.at n=2A027665
• Expansion of e.g.f.: 2*exp(2*x) / (3 - exp(2*x)).at n=6A123227
• Number of nX3 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=5A283489
• Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=2A283492
• T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=30A283494
• T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=33A283494
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UH and HD.at n=17A329702
• Number of ways to write n as an ordered sum of eight positive Fibonacci numbers (with a single type of 1).at n=25A357716
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (-1)^k * [m^k] (1/2^(m-n)) * Sum_{k=0..m} k^n * (-1)^m * 3^(m-k) * binomial(m,k).at n=29A383149