16777191
domain: N
Appears in sequences
- Eulerian numbers (Euler's triangle: column k=2 of A008292, column k=1 of A173018).at n=24A000295
- Numerator of Sum_{i=1..n} i/2^i.at n=23A036295
- Expansion of (-1+3*x-5*x^2+4*x^3) / ((1-2*x)*(2*x^2-1)*(x-1)^2).at n=23A114960
- a(n) = 2^(n+1) - n - 2, or partial sums of main diagonal of array A125127 of k-step Lucas numbers.at n=22A125128
- Expansion of e.g.f. e^(2x)-(1+x)*e^x+x.at n=24A130103
- Expansion of g.f. (1+z)^(24)/(1-z).at n=22A171445
- Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood.at n=23A288334
- a(n) = 4^n - 2*n - 1.at n=11A289255
- Number of even permutations on {1,2,...,n} with exactly 2 weak excedances.at n=25A293046