163577856

Appears in sequences

• Expansion of (1 - 2x + 2x^2 - x^3)/(1 - 2x)^2.at n=24A084860
• a(0)=8, a(n) = 2*a(n-1) + 2^(n-1) for n > 0.at n=23A159696
• Number of permutations of 3 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.at n=11A159721
• Number of 4-cycles in the n-Sierpinski tetrahedron graph.at n=12A292542