2097152

Appears in sequences

• Number of labeled rooted trees with n nodes: n^(n-1).at n=7A000169
• a(n) = a(n-1)*a(n-2) with a(0) = 1, a(1) = 2; also a(n) = 2^Fibonacci(n).at n=8A000301
• Numbers that are not the sum of 4 nonzero squares.at n=38A000534
• Seventh powers: a(n) = n^7.at n=8A001015
• Powers of 8: a(n) = 8^n.at n=7A001018
• Successive numerators of Wallis's approximation to Pi/2 (reduced).at n=13A001901
• a(n) = 2^(2n+1).at n=10A004171
• Numerator of average distance traveled by n-dimensional fly.at n=21A004734
• Denominator of average distance traveled by n-dimensional fly.at n=22A004735
• Numbers that are the sum of 2 nonzero 10th powers.at n=9A004802
• Numbers that are the sum of at most 2 nonzero 10th powers.at n=14A004897
• Numbers that are the sum of at most 3 nonzero 10th powers.at n=30A004898
• Number of nonzero coefficients of order n in Baker-Campbell-Hausdorff expansion.at n=22A005489
• a(n) = 2^(n*(n-1)/2).at n=7A006125
• Numbers that have a unique partition into a sum of four nonnegative squares.at n=37A006431
• Numbers of the form 2^i or 3^j.at n=34A006899
• Triangle read by rows: T(n,k) is the number of partially labeled rooted trees with n vertices, k of which are labeled, 0 <= k <= n.at n=43A008295
• Triangle read by rows: T(n,k) is the number of partially labeled rooted trees with n vertices, k of which are labeled, 0 <= k <= n.at n=44A008295
• Expansion of e.g.f. cos(x) / exp(x).at n=43A009116
• Expansion of e.g.f. sin(x)*exp(x).at n=42A009545