1048536
domain: N
Appears in sequences
- Second-order Eulerian numbers: a(n) = 2^n - 2*n.at n=20A005803
- Expansion of (1-x)^(-1)/(1 - x - 2*x^2 + 2*x^3).at n=35A077866
- a(n) = A078152(2^n).at n=37A078157
- a(n) = 4^n - 4*n.at n=10A107584
- Sequence S with property that for n in S, a(n) = a(1) + a(2) +...+ a(n-1) and for n not in S, a(n) = n+1.at n=35A121173
- E.g.f.: (e^x - x)^2.at n=20A130102
- Partial sums of A000918, starting from index 1.at n=18A145654
- Number of ways to select 3 or more collinear points from a 4 X n grid.at n=17A355552
- The difference between number of even and number of odd Grassmannian permutations of size n.at n=40A356185