866304

Appears in sequences

• Expansion of 1/(1 - 2*x + 2*x^2 - 2*x^3).at n=32A077943
• Expansion of 1/(1+2*x+2*x^2+2*x^3).at n=32A077993
• a(n) = 2*n^5 - floor(2^(1/5)*n)^5.at n=28A257855