19173962

Appears in sequences

• Number of cubic residues mod 2^n.at n=25A046630
• a(n) = A047848(5, n).at n=9A047853
• a(n) = ceiling(2^(n+1)/n).at n=27A053639
• Expansion of g.f. (1 - 2*x^2 - 3*x^3)/((1 - x^3)*(1 - 2*x)).at n=27A063823
• a(n) = ceiling(4^n/n).at n=13A129788
• a(n) + a(n+1) + a(n+2) = 2^n.at n=26A152732
• a(n) = a(n-3) + 2^(n-4) with a(1) = 1, a(2) = 2, a(3) = 1.at n=27A166578
• a(n) = a(n-1) + a(n-2) + 2*a(n-3) with a(0)=2, a(1)=1, a(2)=5.at n=24A226308